21896908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4651}}^1$

素因数の和:4773

約数の個数: 24

約数和(自身を含む): 42202944

約数和(自身を除く): 20306036

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4651, 4708, 9302, 18604, 51161, 102322, 204644, 497657, 995314, 1990628, 5474227, 10948454, 21896908]

約数ペア:

[(1, 21896908), (2, 10948454), (4, 5474227), (11, 1990628), (22, 995314), (44, 497657), (107, 204644), (214, 102322), (428, 51161), (1177, 18604), (2354, 9302), (4651, 4708)]