21028612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2087}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 40340160

約数和(自身を除く): 19311548

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 2087, 2519, 4174, 5038, 8348, 10076, 22957, 45914, 91828, 477923, 955846, 1911692, 5257153, 10514306, 21028612]

約数ペア:

[(1, 21028612), (2, 10514306), (4, 5257153), (11, 1911692), (22, 955846), (44, 477923), (229, 91828), (458, 45914), (916, 22957), (2087, 10076), (2519, 8348), (4174, 5038)]