21916689

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{3803}}^1$

素因数の和:3936

約数の個数: 16

約数和(自身を含む): 31223232

約数和(自身を除く): 9306543

約数列:

[1, 3, 17, 51, 113, 339, 1921, 3803, 5763, 11409, 64651, 193953, 429739, 1289217, 7305563, 21916689]

約数ペア:

[(1, 21916689), (3, 7305563), (17, 1289217), (51, 429739), (113, 193953), (339, 64651), (1921, 11409), (3803, 5763)]