Q: What is the sum of all factors of the number 21,064,815 excluding 21,064,815?
A: 15,447,609
The factors of the number 21,064,815 are: 1, 3, 5, 9, 15, 45, 468107, 1404321, 2340535, 4212963, 7021605, 21064815.
If you add them up, you will get the total of 21,064,830. Now subtract 21,064,815 to get 15,447,609