2021209923

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{2971}}^1\times {\mathrm{5531}}^1$

素因数の和:8546

約数の個数: 16

約数和(自身を含む): 2762105472

約数和(自身を除く): 740895549

約数列:

[1, 3, 41, 123, 2971, 5531, 8913, 16593, 121811, 226771, 365433, 680313, 16432601, 49297803, 673736641, 2021209923]

約数ペア:

[(1, 2021209923), (3, 673736641), (41, 49297803), (123, 16432601), (2971, 680313), (5531, 365433), (8913, 226771), (16593, 121811)]