21986340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{366439}}^1$

素因数の和:366451

約数の個数: 24

約数和(自身を含む): 61561920

約数和(自身を除く): 39575580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 366439, 732878, 1099317, 1465756, 1832195, 2198634, 3664390, 4397268, 5496585, 7328780, 10993170, 21986340]

約数ペア:

[(1, 21986340), (2, 10993170), (3, 7328780), (4, 5496585), (5, 4397268), (6, 3664390), (10, 2198634), (12, 1832195), (15, 1465756), (20, 1099317), (30, 732878), (60, 366439)]