21802857

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10427}}^1$

素因数の和:10488

約数の個数: 16

約数和(自身を含む): 31534272

約数和(自身を除く): 9731415

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 10427, 31281, 177259, 427507, 531777, 1282521, 7267619, 21802857]

約数ペア:

[(1, 21802857), (3, 7267619), (17, 1282521), (41, 531777), (51, 427507), (123, 177259), (697, 31281), (2091, 10427)]