Q: What is the sum of all factors of the number 213,243,321 excluding 213,243,321?
A: 86,002,119
The factors of the number 213,243,321 are: 1, 3, 37, 43, 111, 129, 1039, 1591, 1849, 3117, 4773, 5547, 38443, 44677, 68413, 115329, 134031, 205239, 1653049, 1921111, 4959147, 5763333, 71081107, 213243321.
If you add them up, you will get the total of 213,243,407. Now subtract 213,243,321 to get 86,002,119