21547857

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{3739}}^1$

素因数の和:3872

約数の個数: 16

約数和(自身を含む): 30697920

約数和(自身を除く): 9150063

約数列:

[1, 3, 17, 51, 113, 339, 1921, 3739, 5763, 11217, 63563, 190689, 422507, 1267521, 7182619, 21547857]

約数ペア:

[(1, 21547857), (3, 7182619), (17, 1267521), (51, 422507), (113, 190689), (339, 63563), (1921, 11217), (3739, 5763)]