21271233

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{3691}}^1$

素因数の和:3824

約数の個数: 16

約数和(自身を含む): 30303936

約数和(自身を除く): 9032703

約数列:

[1, 3, 17, 51, 113, 339, 1921, 3691, 5763, 11073, 62747, 188241, 417083, 1251249, 7090411, 21271233]

約数ペア:

[(1, 21271233), (3, 7090411), (17, 1251249), (51, 417083), (113, 188241), (339, 62747), (1921, 11073), (3691, 5763)]