21002338

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13763}}^1$

素因数の和:13881

約数の個数: 16

約数和(自身を含む): 36336960

約数和(自身を除く): 15334622

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 13763, 27526, 96341, 192682, 1500167, 3000334, 10501169, 21002338]

約数ペア:

[(1, 21002338), (2, 10501169), (7, 3000334), (14, 1500167), (109, 192682), (218, 96341), (763, 27526), (1526, 13763)]