2021194786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{193861}}^1$

素因数の和:194277

約数の個数: 16

約数和(自身を含む): 3273166008

約数和(自身を除く): 1251971222

約数列:

[1, 2, 13, 26, 401, 802, 5213, 10426, 193861, 387722, 2520193, 5040386, 77738261, 155476522, 1010597393, 2021194786]

約数ペア:

[(1, 2021194786), (2, 1010597393), (13, 155476522), (26, 77738261), (401, 5040386), (802, 2520193), (5213, 387722), (10426, 193861)]