21027999

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{367}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 28615680

約数和(自身を除く): 7587681

約数列:

[1, 3, 71, 213, 269, 367, 807, 1101, 19099, 26057, 57297, 78171, 98723, 296169, 7009333, 21027999]

約数ペア:

[(1, 21027999), (3, 7009333), (71, 296169), (213, 98723), (269, 78171), (367, 57297), (807, 26057), (1101, 19099)]