21311060

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5521}}^1$

素因数の和:5723

約数の個数: 24

約数和(自身を含む): 44993256

約数和(自身を除く): 23682196

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 5521, 11042, 22084, 27605, 55210, 110420, 1065553, 2131106, 4262212, 5327765, 10655530, 21311060]

約数ペア:

[(1, 21311060), (2, 10655530), (4, 5327765), (5, 4262212), (10, 2131106), (20, 1065553), (193, 110420), (386, 55210), (772, 27605), (965, 22084), (1930, 11042), (3860, 5521)]