21529564

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 45513216

約数和(自身を除く): 23983652

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 101, 161, 202, 322, 331, 404, 644, 662, 707, 1324, 1414, 2317, 2323, 2828, 4634, 4646, 7613, 9268, 9292, 15226, 16261, 30452, 32522, 33431, 53291, 65044, 66862, 106582, 133724, 213164, 234017, 468034, 768913, 936068, 1537826, 3075652, 5382391, 10764782, 21529564]

約数ペア:

[(1, 21529564), (2, 10764782), (4, 5382391), (7, 3075652), (14, 1537826), (23, 936068), (28, 768913), (46, 468034), (92, 234017), (101, 213164), (161, 133724), (202, 106582), (322, 66862), (331, 65044), (404, 53291), (644, 33431), (662, 32522), (707, 30452), (1324, 16261), (1414, 15226), (2317, 9292), (2323, 9268), (2828, 7613), (4634, 4646)]