21089458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1831}}^1$

素因数の和:2289

約数の個数: 16

約数和(自身を含む): 34163136

約数和(自身を除く): 13073678

約数列:

[1, 2, 13, 26, 443, 886, 1831, 3662, 5759, 11518, 23803, 47606, 811133, 1622266, 10544729, 21089458]

約数ペア:

[(1, 21089458), (2, 10544729), (13, 1622266), (26, 811133), (443, 47606), (886, 23803), (1831, 11518), (3662, 5759)]