21355692

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41387}}^1$

素因数の和:41437

約数の個数: 24

約数和(自身を含む): 50990016

約数和(自身を除く): 29634324

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41387, 82774, 124161, 165548, 248322, 496644, 1779641, 3559282, 5338923, 7118564, 10677846, 21355692]

約数ペア:

[(1, 21355692), (2, 10677846), (3, 7118564), (4, 5338923), (6, 3559282), (12, 1779641), (43, 496644), (86, 248322), (129, 165548), (172, 124161), (258, 82774), (516, 41387)]