21186338

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{709}}^1$

素因数の和:1001

約数の個数: 16

約数和(自身を含む): 32444160

約数和(自身を除く): 11257822

約数列:

[1, 2, 67, 134, 223, 446, 709, 1418, 14941, 29882, 47503, 95006, 158107, 316214, 10593169, 21186338]

約数ペア:

[(1, 21186338), (2, 10593169), (67, 316214), (134, 158107), (223, 95006), (446, 47503), (709, 29882), (1418, 14941)]