21270587

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 24504480

約数和(自身を除く): 3233893

約数列:

[1, 13, 17, 109, 221, 883, 1417, 1853, 11479, 15011, 24089, 96247, 195143, 1251211, 1636199, 21270587]

約数ペア:

[(1, 21270587), (13, 1636199), (17, 1251211), (109, 195143), (221, 96247), (883, 24089), (1417, 15011), (1853, 11479)]