21761069

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 24631296

約数和(自身を除く): 2870227

約数列:

[1, 11, 37, 127, 407, 421, 1397, 4631, 4699, 15577, 51689, 53467, 171347, 588137, 1978279, 21761069]

約数ペア:

[(1, 21761069), (11, 1978279), (37, 588137), (127, 171347), (407, 53467), (421, 51689), (1397, 15577), (4631, 4699)]