21058860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350981}}^1$

素因数の和:350993

約数の個数: 24

約数和(自身を含む): 58964976

約数和(自身を除く): 37906116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350981, 701962, 1052943, 1403924, 1754905, 2105886, 3509810, 4211772, 5264715, 7019620, 10529430, 21058860]

約数ペア:

[(1, 21058860), (2, 10529430), (3, 7019620), (4, 5264715), (5, 4211772), (6, 3509810), (10, 2105886), (12, 1754905), (15, 1403924), (20, 1052943), (30, 701962), (60, 350981)]