Q: What is the sum of all factors of the number 21,120,137 excluding 21,120,137?
A: 1,242,379
The factors of the number 21,120,137 are: 1, 17, 1242361, 21120137.
If you add them up, you will get the total of 21,120,138. Now subtract 21,120,137 to get 1,242,379