21921874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49597}}^1$

素因数の和:49629

約数の個数: 16

約数和(自身を含む): 37496088

約数和(自身を除く): 15574214

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 49597, 99194, 644761, 843149, 1289522, 1686298, 10960937, 21921874]

約数ペア:

[(1, 21921874), (2, 10960937), (13, 1686298), (17, 1289522), (26, 843149), (34, 644761), (221, 99194), (442, 49597)]