Q: What is the sum of all factors of the number 5,421,213 including 5,421,213?

A: 9,603,360

Why is 9,603,360 the sum of all factors of 5,421,213, including 5,421,213?

The factors of the number 5,421,213 are: 1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 647, 931, 1197, 1941, 2793, 4529, 5823, 8379, 12293, 13587, 31703, 36879, 40761, 86051, 95109, 110637, 258153, 285327, 602357, 774459, 1807071, 5421213.

If you add them up, you will get the total of 9,603,360.