21421334

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8933}}^1$

素因数の和:9055

約数の個数: 16

約数和(自身を含む): 35378640

約数和(自身を除く): 13957306

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8933, 17866, 98263, 196526, 973697, 1947394, 10710667, 21421334]

約数ペア:

[(1, 21421334), (2, 10710667), (11, 1947394), (22, 973697), (109, 196526), (218, 98263), (1199, 17866), (2398, 8933)]