Q: What is the sum of all factors of the number 3,965,421 including 3,965,421?
A: 5,361,984
The factors of the number 3,965,421 are: 1, 3, 71, 213, 18617, 55851, 1321807, 3965421.
If you add them up, you will get the total of 5,361,984.