21012183

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{9851}}^1$

素因数の和:9939

約数の個数: 16

約数和(自身を含む): 31526400

約数和(自身を除く): 10514217

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 9851, 29553, 88659, 265977, 778229, 2334687, 7004061, 21012183]

約数ペア:

[(1, 21012183), (3, 7004061), (9, 2334687), (27, 778229), (79, 265977), (237, 88659), (711, 29553), (2133, 9851)]