21890097

素因数分解:

$3^2\times {\mathrm{449}}^1\times {\mathrm{5417}}^1$

素因数の和:5872

約数の個数: 12

約数和(自身を含む): 31695300

約数和(自身を除く): 9805203

約数列:

[1, 3, 9, 449, 1347, 4041, 5417, 16251, 48753, 2432233, 7296699, 21890097]

約数ペア:

[(1, 21890097), (3, 7296699), (9, 2432233), (449, 48753), (1347, 16251), (4041, 5417)]