2021105919

素因数分解:

$3^1\times 7^1\times {\mathrm{1069}}^1\times {\mathrm{90031}}^1$

素因数の和:91110

約数の個数: 16

約数和(自身を含む): 3082695680

約数和(自身を除く): 1061589761

約数列:

[1, 3, 7, 21, 1069, 3207, 7483, 22449, 90031, 270093, 630217, 1890651, 96243139, 288729417, 673701973, 2021105919]

約数ペア:

[(1, 2021105919), (3, 673701973), (7, 288729417), (21, 96243139), (1069, 1890651), (3207, 630217), (7483, 270093), (22449, 90031)]