21964910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{857}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 43366752

約数和(自身を除く): 21401842

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 233, 466, 857, 1165, 1714, 2330, 2563, 4285, 5126, 8570, 9427, 12815, 18854, 25630, 47135, 94270, 199681, 399362, 998405, 1996810, 2196491, 4392982, 10982455, 21964910]

約数ペア:

[(1, 21964910), (2, 10982455), (5, 4392982), (10, 2196491), (11, 1996810), (22, 998405), (55, 399362), (110, 199681), (233, 94270), (466, 47135), (857, 25630), (1165, 18854), (1714, 12815), (2330, 9427), (2563, 8570), (4285, 5126)]