2191310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1811}}^1$

素因数の和:1840

約数の個数: 24

約数和(自身を含む): 4337928

約数和(自身を除く): 2146618

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1811, 3622, 9055, 18110, 19921, 39842, 99605, 199210, 219131, 438262, 1095655, 2191310]

約数ペア:

[(1, 2191310), (2, 1095655), (5, 438262), (10, 219131), (11, 199210), (22, 99605), (55, 39842), (110, 19921), (121, 18110), (242, 9055), (605, 3622), (1210, 1811)]