20210135876

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3236729}}^1$

素因数の和:3236963

約数の個数: 24

約数和(自身を含む): 40601541120

約数和(自身を除く): 20391405244

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 3236729, 6473458, 12946916, 22657103, 45314206, 90628412, 721790567, 1443581134, 2887162268, 5052533969, 10105067938, 20210135876]

約数ペア:

[(1, 20210135876), (2, 10105067938), (4, 5052533969), (7, 2887162268), (14, 1443581134), (28, 721790567), (223, 90628412), (446, 45314206), (892, 22657103), (1561, 12946916), (3122, 6473458), (6244, 3236729)]