21132968

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{17729}}^1$

素因数の和:17884

約数の個数: 16

約数和(自身を含む): 39892500

約数和(自身を除く): 18759532

約数列:

[1, 2, 4, 8, 149, 298, 596, 1192, 17729, 35458, 70916, 141832, 2641621, 5283242, 10566484, 21132968]

約数ペア:

[(1, 21132968), (2, 10566484), (4, 5283242), (8, 2641621), (149, 141832), (298, 70916), (596, 35458), (1192, 17729)]