Q: What is the sum of all factors of the number 21,260,821 excluding 21,260,821?
A: 9,879
The factors of the number 21,260,821 are: 1, 3169, 6709, 21260821.
If you add them up, you will get the total of 21,260,830. Now subtract 21,260,821 to get 9,879