21353683

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4201}}^1$

素因数の和:4254

約数の個数: 16

約数和(自身を含む): 25413696

約数和(自身を除く): 4060013

約数列:

[1, 13, 17, 23, 221, 299, 391, 4201, 5083, 54613, 71417, 96623, 928421, 1256099, 1642591, 21353683]

約数ペア:

[(1, 21353683), (13, 1642591), (17, 1256099), (23, 928421), (221, 96623), (299, 71417), (391, 54613), (4201, 5083)]