21965820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{366097}}^1$

素因数の和:366109

約数の個数: 24

約数和(自身を含む): 61504464

約数和(自身を除く): 39538644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 366097, 732194, 1098291, 1464388, 1830485, 2196582, 3660970, 4393164, 5491455, 7321940, 10982910, 21965820]

約数ペア:

[(1, 21965820), (2, 10982910), (3, 7321940), (4, 5491455), (5, 4393164), (6, 3660970), (10, 2196582), (12, 1830485), (15, 1464388), (20, 1098291), (30, 732194), (60, 366097)]