Q: What is the sum of all factors of the number 221,143,641 excluding 221,143,641?

A: 96,117,159

Why is 96,117,159 the sum of all factors of 221,143,641, excluding 221,143,641?

The factors of the number 221,143,641 are: 1, 3, 19, 57, 101, 107, 303, 321, 359, 1077, 1919, 2033, 5757, 6099, 6821, 10807, 20463, 32421, 36259, 38413, 108777, 115239, 205333, 615999, 688921, 729847, 2066763, 2189541, 3879713, 11639139, 73714547, 221143641.

If you add them up, you will get the total of 221,143,737. Now subtract 221,143,641 to get 96,117,159