21742860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{362381}}^1$

素因数の和:362393

約数の個数: 24

約数和(自身を含む): 60880176

約数和(自身を除く): 39137316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 362381, 724762, 1087143, 1449524, 1811905, 2174286, 3623810, 4348572, 5435715, 7247620, 10871430, 21742860]

約数ペア:

[(1, 21742860), (2, 10871430), (3, 7247620), (4, 5435715), (5, 4348572), (6, 3623810), (10, 2174286), (12, 1811905), (15, 1449524), (20, 1087143), (30, 724762), (60, 362381)]