21263330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17573}}^1$

素因数の和:17602

約数の個数: 24

約数和(自身を含む): 42072156

約数和(自身を除く): 20808826

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17573, 35146, 87865, 175730, 193303, 386606, 966515, 1933030, 2126333, 4252666, 10631665, 21263330]

約数ペア:

[(1, 21263330), (2, 10631665), (5, 4252666), (10, 2126333), (11, 1933030), (22, 966515), (55, 386606), (110, 193303), (121, 175730), (242, 87865), (605, 35146), (1210, 17573)]