21924305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19841}}^1$

素因数の和:19876

約数の個数: 16

約数和(自身を含む): 30001104

約数和(自身を除く): 8076799

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 19841, 99205, 257933, 337297, 1289665, 1686485, 4384861, 21924305]

約数ペア:

[(1, 21924305), (5, 4384861), (13, 1686485), (17, 1289665), (65, 337297), (85, 257933), (221, 99205), (1105, 19841)]