21611305

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2243}}^1$

素因数の和:2336

約数の個数: 16

約数和(自身を含む): 27143424

約数和(自身を除く): 5532119

約数列:

[1, 5, 41, 47, 205, 235, 1927, 2243, 9635, 11215, 91963, 105421, 459815, 527105, 4322261, 21611305]

約数ペア:

[(1, 21611305), (5, 4322261), (41, 527105), (47, 459815), (205, 105421), (235, 91963), (1927, 11215), (2243, 9635)]