21129626

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{14653}}^1$

素因数の和:14765

約数の個数: 16

約数和(自身を含む): 36576384

約数和(自身を除く): 15446758

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 14653, 29306, 102571, 205142, 1509259, 3018518, 10564813, 21129626]

約数ペア:

[(1, 21129626), (2, 10564813), (7, 3018518), (14, 1509259), (103, 205142), (206, 102571), (721, 29306), (1442, 14653)]