21246952

素因数分解:

$2^3\times {\mathrm{1229}}^1\times {\mathrm{2161}}^1$

素因数の和:3396

約数の個数: 16

約数和(自身を含む): 39888900

約数和(自身を除く): 18641948

約数列:

[1, 2, 4, 8, 1229, 2161, 2458, 4322, 4916, 8644, 9832, 17288, 2655869, 5311738, 10623476, 21246952]

約数ペア:

[(1, 21246952), (2, 10623476), (4, 5311738), (8, 2655869), (1229, 17288), (2161, 9832), (2458, 8644), (4322, 4916)]