Q: What is the sum of all factors of the number 2,171,521 excluding 2,171,521?
A: 219,743
The factors of the number 2,171,521 are: 1, 11, 113, 1243, 1747, 19217, 197411, 2171521.
If you add them up, you will get the total of 2,171,740. Now subtract 2,171,521 to get 219,743