Q: What is the sum of all factors of the number 20,856,421 excluding 20,856,421?
A: 9,179
The factors of the number 20,856,421 are: 1, 4139, 5039, 20856421.
If you add them up, you will get the total of 20,856,430. Now subtract 20,856,421 to get 9,179