21589612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11411}}^1$

素因数の和:11469

約数の個数: 24

約数和(自身を含む): 42178752

約数和(自身を除く): 20589140

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 11411, 22822, 45644, 125521, 251042, 490673, 502084, 981346, 1962692, 5397403, 10794806, 21589612]

約数ペア:

[(1, 21589612), (2, 10794806), (4, 5397403), (11, 1962692), (22, 981346), (43, 502084), (44, 490673), (86, 251042), (172, 125521), (473, 45644), (946, 22822), (1892, 11411)]