21787546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4441}}^1$

素因数の和:4677

約数の個数: 16

約数和(自身を含む): 35820288

約数和(自身を除く): 14032742

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4441, 4906, 8882, 48851, 97702, 990343, 1980686, 10893773, 21787546]

約数ペア:

[(1, 21787546), (2, 10893773), (11, 1980686), (22, 990343), (223, 97702), (446, 48851), (2453, 8882), (4441, 4906)]