21662730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{769}}^1$

素因数の和:1095

約数の個数: 48

約数和(自身を含む): 56576520

約数和(自身を除く): 34913790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 313, 626, 769, 939, 1538, 1565, 1878, 2307, 2817, 3130, 3845, 4614, 4695, 5634, 6921, 7690, 9390, 11535, 13842, 14085, 23070, 28170, 34605, 69210, 240697, 481394, 722091, 1203485, 1444182, 2166273, 2406970, 3610455, 4332546, 7220910, 10831365, 21662730]

約数ペア:

[(1, 21662730), (2, 10831365), (3, 7220910), (5, 4332546), (6, 3610455), (9, 2406970), (10, 2166273), (15, 1444182), (18, 1203485), (30, 722091), (45, 481394), (90, 240697), (313, 69210), (626, 34605), (769, 28170), (939, 23070), (1538, 14085), (1565, 13842), (1878, 11535), (2307, 9390), (2817, 7690), (3130, 6921), (3845, 5634), (4614, 4695)]