21324495

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20023}}^1$

素因数の和:20102

約数の個数: 16

約数和(自身を含む): 34601472

約数和(自身を除く): 13276977

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 20023, 60069, 100115, 300345, 1421633, 4264899, 7108165, 21324495]

約数ペア:

[(1, 21324495), (3, 7108165), (5, 4264899), (15, 1421633), (71, 300345), (213, 100115), (355, 60069), (1065, 20023)]