21502888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244351}}^1$

素因数の和:244368

約数の個数: 16

約数和(自身を含む): 43983360

約数和(自身を除く): 22480472

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244351, 488702, 977404, 1954808, 2687861, 5375722, 10751444, 21502888]

約数ペア:

[(1, 21502888), (2, 10751444), (4, 5375722), (8, 2687861), (11, 1954808), (22, 977404), (44, 488702), (88, 244351)]