21749332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{6257}}^1$

素因数の和:6351

約数の個数: 24

約数和(自身を含む): 42053760

約数和(自身を除く): 20304428

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 6257, 12514, 25028, 68827, 137654, 275308, 494303, 988606, 1977212, 5437333, 10874666, 21749332]

約数ペア:

[(1, 21749332), (2, 10874666), (4, 5437333), (11, 1977212), (22, 988606), (44, 494303), (79, 275308), (158, 137654), (316, 68827), (869, 25028), (1738, 12514), (3476, 6257)]