21728036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{2957}}^1$

素因数の和:3139

約数の個数: 24

約数和(自身を含む): 41743296

約数和(自身を除く): 20015260

約数列:

[1, 2, 4, 11, 22, 44, 167, 334, 668, 1837, 2957, 3674, 5914, 7348, 11828, 32527, 65054, 130108, 493819, 987638, 1975276, 5432009, 10864018, 21728036]

約数ペア:

[(1, 21728036), (2, 10864018), (4, 5432009), (11, 1975276), (22, 987638), (44, 493819), (167, 130108), (334, 65054), (668, 32527), (1837, 11828), (2957, 7348), (3674, 5914)]