21351418

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{1063}}^1$

素因数の和:1170

約数の個数: 24

約数和(自身を含む): 35661024

約数和(自身を除く): 14309606

約数列:

[1, 2, 11, 22, 83, 121, 166, 242, 913, 1063, 1826, 2126, 10043, 11693, 20086, 23386, 88229, 128623, 176458, 257246, 970519, 1941038, 10675709, 21351418]

約数ペア:

[(1, 21351418), (2, 10675709), (11, 1941038), (22, 970519), (83, 257246), (121, 176458), (166, 128623), (242, 88229), (913, 23386), (1063, 20086), (1826, 11693), (2126, 10043)]