Q: What is the sum of all factors of the number 21,261,621 excluding 21,261,621?
A: 7,087,211
The factors of the number 21,261,621 are: 1, 3, 7087207, 21261621.
If you add them up, you will get the total of 21,261,628. Now subtract 21,261,621 to get 7,087,211