21313556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3251}}^1$

素因数の和:3415

約数の個数: 24

約数和(自身を含む): 40975200

約数和(自身を除く): 19661644

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3251, 3278, 6502, 6556, 13004, 35761, 71522, 143044, 484399, 968798, 1937596, 5328389, 10656778, 21313556]

約数ペア:

[(1, 21313556), (2, 10656778), (4, 5328389), (11, 1937596), (22, 968798), (44, 484399), (149, 143044), (298, 71522), (596, 35761), (1639, 13004), (3251, 6556), (3278, 6502)]