Q: What is the sum of all factors of the number 213,312 excluding 213,312?

A: 408,480

Why is 408,480 the sum of all factors of 213,312, excluding 213,312?

The factors of the number 213,312 are: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 101, 132, 176, 192, 202, 264, 303, 352, 404, 528, 606, 704, 808, 1056, 1111, 1212, 1616, 2112, 2222, 2424, 3232, 3333, 4444, 4848, 6464, 6666, 8888, 9696, 13332, 17776, 19392, 26664, 35552, 53328, 71104, 106656, 213312.

If you add them up, you will get the total of 213,720. Now subtract 213,312 to get 408,480