Q: What is the sum of all factors of the number 13,977,957 including 13,977,957?
A: 21,299,776
The factors of the number 13,977,957 are: 1, 3, 7, 21, 665617, 1996851, 4659319, 13977957.
If you add them up, you will get the total of 21,299,776.