Q: What is the sum of all factors of the number 12,215,721 excluding 12,215,721?
A: 6,398,743
The factors of the number 12,215,721 are: 1, 3, 7, 21, 581701, 1745103, 4071907, 12215721.
If you add them up, you will get the total of 12,215,727. Now subtract 12,215,721 to get 6,398,743