21529157

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1597}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 24967152

約数和(自身を除く): 3437995

約数列:

[1, 13, 17, 61, 221, 793, 1037, 1597, 13481, 20761, 27149, 97417, 352937, 1266421, 1656089, 21529157]

約数ペア:

[(1, 21529157), (13, 1656089), (17, 1266421), (61, 352937), (221, 97417), (793, 27149), (1037, 20761), (1597, 13481)]