21481586

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66713}}^1$

素因数の和:66745

約数の個数: 16

約数和(自身を含む): 38427264

約数和(自身を除く): 16945678

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66713, 133426, 466991, 933982, 1534399, 3068798, 10740793, 21481586]

約数ペア:

[(1, 21481586), (2, 10740793), (7, 3068798), (14, 1534399), (23, 933982), (46, 466991), (161, 133426), (322, 66713)]