21398702

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{3037}}^1$

素因数の和:3323

約数の個数: 16

約数和(自身を含む): 34706112

約数和(自身を除く): 13307410

約数列:

[1, 2, 13, 26, 271, 542, 3037, 3523, 6074, 7046, 39481, 78962, 823027, 1646054, 10699351, 21398702]

約数ペア:

[(1, 21398702), (2, 10699351), (13, 1646054), (26, 823027), (271, 78962), (542, 39481), (3037, 7046), (3523, 6074)]