21008834

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136421}}^1$

素因数の和:136441

約数の個数: 16

約数和(自身を含む): 39289536

約数和(自身を除く): 18280702

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136421, 272842, 954947, 1500631, 1909894, 3001262, 10504417, 21008834]

約数ペア:

[(1, 21008834), (2, 10504417), (7, 3001262), (11, 1909894), (14, 1500631), (22, 954947), (77, 272842), (154, 136421)]