21611084

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44651}}^1$

素因数の和:44677

約数の個数: 18

約数和(自身を含む): 41571012

約数和(自身を除く): 19959928

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44651, 89302, 178604, 491161, 982322, 1964644, 5402771, 10805542, 21611084]

約数ペア:

[(1, 21611084), (2, 10805542), (4, 5402771), (11, 1964644), (22, 982322), (44, 491161), (121, 178604), (242, 89302), (484, 44651)]