2021231919

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{154493}}^1$

素因数の和:154599

約数の個数: 24

約数和(自身を含む): 3170216880

約数和(自身を除く): 1148984961

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 4361, 13083, 154493, 463479, 1081451, 3244353, 7570157, 13749877, 22710471, 41249631, 96249139, 288747417, 673743973, 2021231919]

約数ペア:

[(1, 2021231919), (3, 673743973), (7, 288747417), (21, 96249139), (49, 41249631), (89, 22710471), (147, 13749877), (267, 7570157), (623, 3244353), (1869, 1081451), (4361, 463479), (13083, 154493)]