21030145340

素因数分解:

$2^2\times 5^1\times {\mathrm{18121}}^1\times {\mathrm{58027}}^1$

素因数の和:76157

約数の個数: 24

約数和(自身を含む): 44166503472

約数和(自身を除く): 23136358132

約数列:

[1, 2, 4, 5, 10, 20, 18121, 36242, 58027, 72484, 90605, 116054, 181210, 232108, 290135, 362420, 580270, 1160540, 1051507267, 2103014534, 4206029068, 5257536335, 10515072670, 21030145340]

約数ペア:

[(1, 21030145340), (2, 10515072670), (4, 5257536335), (5, 4206029068), (10, 2103014534), (20, 1051507267), (18121, 1160540), (36242, 580270), (58027, 362420), (72484, 290135), (90605, 232108), (116054, 181210)]