21109233

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^3$

素因数の和:217

約数の個数: 16

約数和(自身を含む): 29537792

約数和(自身を除く): 8428559

約数列:

[1, 3, 31, 61, 93, 183, 1891, 3721, 5673, 11163, 115351, 226981, 346053, 680943, 7036411, 21109233]

約数ペア:

[(1, 21109233), (3, 7036411), (31, 680943), (61, 346053), (93, 226981), (183, 115351), (1891, 11163), (3721, 5673)]