21480644

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 39035136

約数和(自身を除く): 17554492

約数列:

[1, 2, 4, 31, 62, 124, 211, 422, 821, 844, 1642, 3284, 6541, 13082, 25451, 26164, 50902, 101804, 173231, 346462, 692924, 5370161, 10740322, 21480644]

約数ペア:

[(1, 21480644), (2, 10740322), (4, 5370161), (31, 692924), (62, 346462), (124, 173231), (211, 101804), (422, 50902), (821, 26164), (844, 25451), (1642, 13082), (3284, 6541)]