2221569790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20196089}}^1$

素因数の和:20196107

約数の個数: 16

約数和(自身を含む): 4362355440

約数和(自身を除く): 2140785650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 20196089, 40392178, 100980445, 201960890, 222156979, 444313958, 1110784895, 2221569790]

約数ペア:

[(1, 2221569790), (2, 1110784895), (5, 444313958), (10, 222156979), (11, 201960890), (22, 100980445), (55, 40392178), (110, 20196089)]