Q: What is the sum of all factors of the number 3,021,721 excluding 3,021,721?
A: 21,879
The factors of the number 3,021,721 are: 1, 139, 21739, 3021721.
If you add them up, you will get the total of 3,021,742. Now subtract 3,021,721 to get 21,879