21876009

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{1373}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 30074112

約数和(自身を除く): 8198103

約数列:

[1, 3, 47, 113, 141, 339, 1373, 4119, 5311, 15933, 64531, 155149, 193593, 465447, 7292003, 21876009]

約数ペア:

[(1, 21876009), (3, 7292003), (47, 465447), (113, 193593), (141, 155149), (339, 64531), (1373, 15933), (4119, 5311)]