Q: What is the sum of all factors of the number 1,375,721 including 1,375,721?
A: 1,421,064
The factors of the number 1,375,721 are: 1, 53, 101, 257, 5353, 13621, 25957, 1375721.
If you add them up, you will get the total of 1,421,064.