21656284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8861}}^1$

素因数の和:8925

約数の個数: 24

約数和(自身を含む): 41686848

約数和(自身を除く): 20030564

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8861, 17722, 35444, 115193, 230386, 416467, 460772, 832934, 1665868, 5414071, 10828142, 21656284]

約数ペア:

[(1, 21656284), (2, 10828142), (4, 5414071), (13, 1665868), (26, 832934), (47, 460772), (52, 416467), (94, 230386), (188, 115193), (611, 35444), (1222, 17722), (2444, 8861)]