20210858307

素因数分解:

$3^2\times {\mathrm{821}}^1\times {\mathrm{2735263}}^1$

素因数の和:2736090

約数の個数: 12

約数和(自身を含む): 29229031104

約数和(自身を除く): 9018172797

約数列:

[1, 3, 9, 821, 2463, 7389, 2735263, 8205789, 24617367, 2245650923, 6736952769, 20210858307]

約数ペア:

[(1, 20210858307), (3, 6736952769), (9, 2245650923), (821, 24617367), (2463, 8205789), (7389, 2735263)]