Dropadi(the central character of Mahabharta)Symbol

The miraculous and an absurdly beautiful woman beyond the scope of wordy description, the central character, of the ancient world war they call "Mahabharta" She is the symbol of fire. Only a few survived at the end of war which prolonged for 18 days, including her five husbands called "Pandvas"
There is an interesting background of her being the wife of five husbands. Arjuna wins her over in the "swayamvar"(the shooting competition where the target was the central point of the eye of a sparrow, whose virtual image was seen in the oil container placed beneath). His only potent rival was his eldest brother Karan (abandoned by her mother Kunti, being the spiritually born) who was feared by Dropadi to be a sure winner and so she refused him the privilege to be the contender of the fray and in a way provided a clearance for Arjuna to win.) They came to their mother Kunti after the event. They chanted they have brought for her a splendid thing. She ordered from inside: "Share it equally" It is conceived that it was "Satyug(the era of truth). And so whatever said is to be behaved, being the order of the day. This way she happened to be the wife of 5 husbands.
She entertained all the five s*xually one after the other. And it is held that she used to retain her virginity after every s*xual encounter.
What does it signify? What is this symbolism of the retention of her virginity??
Should it be brushed aside in a laugh being absurd and fake???
N.B. This epic called "Mahabharta" is acknowledged as overwhelming by many western scholars as well.