21021604

素因数分解:

$2^2\times {\mathrm{359}}^1\times {\mathrm{14639}}^1$

素因数の和:15002

約数の個数: 12

約数和(自身を含む): 36892800

約数和(自身を除く): 15871196

約数列:

[1, 2, 4, 359, 718, 1436, 14639, 29278, 58556, 5255401, 10510802, 21021604]

約数ペア:

[(1, 21021604), (2, 10510802), (4, 5255401), (359, 58556), (718, 29278), (1436, 14639)]