21011813039

素因数分解:

$7^2\times {\mathrm{449}}^1\times {\mathrm{955039}}^1$

素因数の和:955502

約数の個数: 12

約数和(自身を含む): 24496776000

約数和(自身を除く): 3484962961

約数列:

[1, 7, 49, 449, 3143, 22001, 955039, 6685273, 46796911, 428812511, 3001687577, 21011813039]

約数ペア:

[(1, 21011813039), (7, 3001687577), (49, 428812511), (449, 46796911), (3143, 6685273), (22001, 955039)]