21270436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2111}}^1$

素因数の和:2355

約数の個数: 24

約数和(自身を含む): 40803840

約数和(自身を除く): 19533404

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 2111, 2519, 4222, 5038, 8444, 10076, 23221, 46442, 92884, 483419, 966838, 1933676, 5317609, 10635218, 21270436]

約数ペア:

[(1, 21270436), (2, 10635218), (4, 5317609), (11, 1933676), (22, 966838), (44, 483419), (229, 92884), (458, 46442), (916, 23221), (2111, 10076), (2519, 8444), (4222, 5038)]