21574804906

素因数分解:

$2^1\times {\mathrm{401}}^1\times {\mathrm{2711}}^1\times {\mathrm{9923}}^1$

素因数の和:13037

約数の個数: 16

約数和(自身を含む): 32458148928

約数和(自身を除く): 10883344022

約数列:

[1, 2, 401, 802, 2711, 5422, 9923, 19846, 1087111, 2174222, 3979123, 7958246, 26901253, 53802506, 10787402453, 21574804906]

約数ペア:

[(1, 21574804906), (2, 10787402453), (401, 53802506), (802, 26901253), (2711, 7958246), (5422, 3979123), (9923, 2174222), (19846, 1087111)]