Q: What is the sum of all factors of the number 21,351,137 excluding 21,351,137?
A: 21,043
The factors of the number 21,351,137 are: 1, 1069, 19973, 21351137.
If you add them up, you will get the total of 21,351,158. Now subtract 21,351,137 to get 21,043