21209848

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21911}}^1$

素因数の和:21939

約数の個数: 24

約数和(自身を含む): 43714440

約数和(自身を除く): 22504592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21911, 43822, 87644, 175288, 241021, 482042, 964084, 1928168, 2651231, 5302462, 10604924, 21209848]

約数ペア:

[(1, 21209848), (2, 10604924), (4, 5302462), (8, 2651231), (11, 1928168), (22, 964084), (44, 482042), (88, 241021), (121, 175288), (242, 87644), (484, 43822), (968, 21911)]