2021569821

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{5478509}}^1$

素因数の和:5478556

約数の個数: 12

約数和(自身を含む): 2991266460

約数和(自身を除く): 969696639

約数列:

[1, 3, 9, 41, 123, 369, 5478509, 16435527, 49306581, 224618869, 673856607, 2021569821]

約数ペア:

[(1, 2021569821), (3, 673856607), (9, 224618869), (41, 49306581), (123, 16435527), (369, 5478509)]