Q: What is the sum of all factors of the number 212,321,666 excluding 212,321,666?

A: 124,430,974

Why is 124,430,974 the sum of all factors of 212,321,666, excluding 212,321,666?

The factors of the number 212,321,666 are: 1, 2, 31, 62, 71, 139, 142, 278, 347, 694, 2201, 4309, 4402, 8618, 9869, 10757, 19738, 21514, 24637, 48233, 49274, 96466, 305939, 611878, 763747, 1495223, 1527494, 2990446, 3424543, 6849086, 106160833, 212321666.

If you add them up, you will get the total of 212,321,790. Now subtract 212,321,666 to get 124,430,974