21656338

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:954

約数の個数: 24

約数和(自身を含む): 36077580

約数和(自身を除く): 14421242

約数列:

[1, 2, 11, 22, 109, 121, 218, 242, 821, 1199, 1642, 2398, 9031, 13189, 18062, 26378, 89489, 99341, 178978, 198682, 984379, 1968758, 10828169, 21656338]

約数ペア:

[(1, 21656338), (2, 10828169), (11, 1968758), (22, 984379), (109, 198682), (121, 178978), (218, 99341), (242, 89489), (821, 26378), (1199, 18062), (1642, 13189), (2398, 9031)]