Q: What is the sum of all factors of the number 21,421,139 excluding 21,421,139?
A: 1,260,085
The factors of the number 21,421,139 are: 1, 17, 1260067, 21421139.
If you add them up, you will get the total of 21,421,140. Now subtract 21,421,139 to get 1,260,085