21322165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4733}}^1$

素因数の和:4808

約数の個数: 16

約数和(自身を含む): 27608688

約数和(自身を除く): 6286523

約数列:

[1, 5, 17, 53, 85, 265, 901, 4505, 4733, 23665, 80461, 250849, 402305, 1254245, 4264433, 21322165]

約数ペア:

[(1, 21322165), (5, 4264433), (17, 1254245), (53, 402305), (85, 250849), (265, 80461), (901, 23665), (4505, 4733)]