21262924

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{52631}}^1$

素因数の和:52736

約数の個数: 12

約数和(自身を含む): 37579248

約数和(自身を除く): 16316324

約数列:

[1, 2, 4, 101, 202, 404, 52631, 105262, 210524, 5315731, 10631462, 21262924]

約数ペア:

[(1, 21262924), (2, 10631462), (4, 5315731), (101, 210524), (202, 105262), (404, 52631)]