21532390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3209}}^1$

素因数の和:3288

約数の個数: 32

約数和(自身を含む): 42988320

約数和(自身を除く): 21455930

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3209, 3355, 6418, 6710, 16045, 32090, 35299, 70598, 176495, 195749, 352990, 391498, 978745, 1957490, 2153239, 4306478, 10766195, 21532390]

約数ペア:

[(1, 21532390), (2, 10766195), (5, 4306478), (10, 2153239), (11, 1957490), (22, 978745), (55, 391498), (61, 352990), (110, 195749), (122, 176495), (305, 70598), (610, 35299), (671, 32090), (1342, 16045), (3209, 6710), (3355, 6418)]