12921538

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40129}}^1$

素因数の和:40161

約数の個数: 16

約数和(自身を含む): 23114880

約数和(自身を除く): 10193342

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 40129, 80258, 280903, 561806, 922967, 1845934, 6460769, 12921538]

約数ペア:

[(1, 12921538), (2, 6460769), (7, 1845934), (14, 922967), (23, 561806), (46, 280903), (161, 80258), (322, 40129)]