21993452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2801}}^1$

素因数の和:2969

約数の個数: 24

約数和(自身を含む): 41738592

約数和(自身を除く): 19745140

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 2801, 3926, 5602, 7852, 11204, 36413, 72826, 145652, 422951, 845902, 1691804, 5498363, 10996726, 21993452]

約数ペア:

[(1, 21993452), (2, 10996726), (4, 5498363), (13, 1691804), (26, 845902), (52, 422951), (151, 145652), (302, 72826), (604, 36413), (1963, 11204), (2801, 7852), (3926, 5602)]