Q: What is the sum of all factors of the number 21,086,137 excluding 21,086,137?
A: 1,240,379
The factors of the number 21,086,137 are: 1, 17, 1240361, 21086137.
If you add them up, you will get the total of 21,086,138. Now subtract 21,086,137 to get 1,240,379