21228262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4327}}^1$

素因数の和:4563

約数の個数: 16

約数和(自身を含む): 34900992

約数和(自身を除く): 13672730

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4327, 4906, 8654, 47597, 95194, 964921, 1929842, 10614131, 21228262]

約数ペア:

[(1, 21228262), (2, 10614131), (11, 1929842), (22, 964921), (223, 95194), (446, 47597), (2453, 8654), (4327, 4906)]