21467835

素因数分解:

$3^5\times 5^1\times {\mathrm{17669}}^1$

素因数の和:17689

約数の個数: 24

約数和(自身を含む): 38591280

約数和(自身を除く): 17123445

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 17669, 53007, 88345, 159021, 265035, 477063, 795105, 1431189, 2385315, 4293567, 7155945, 21467835]

約数ペア:

[(1, 21467835), (3, 7155945), (5, 4293567), (9, 2385315), (15, 1431189), (27, 795105), (45, 477063), (81, 265035), (135, 159021), (243, 88345), (405, 53007), (1215, 17669)]