21265452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45439}}^1$

素因数の和:45462

約数の個数: 36

約数和(自身を含む): 57890560

約数和(自身を除く): 36625108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45439, 90878, 136317, 181756, 272634, 408951, 545268, 590707, 817902, 1181414, 1635804, 1772121, 2362828, 3544242, 5316363, 7088484, 10632726, 21265452]

約数ペア:

[(1, 21265452), (2, 10632726), (3, 7088484), (4, 5316363), (6, 3544242), (9, 2362828), (12, 1772121), (13, 1635804), (18, 1181414), (26, 817902), (36, 590707), (39, 545268), (52, 408951), (78, 272634), (117, 181756), (156, 136317), (234, 90878), (468, 45439)]