Q: What is the sum of all factors of the number 21,717,621 excluding 21,717,621?
A: 9,976,951
The factors of the number 21,717,621 are: 1, 3, 9, 97, 291, 873, 24877, 74631, 223893, 2413069, 7239207, 21717621.
If you add them up, you will get the total of 21,717,630. Now subtract 21,717,621 to get 9,976,951