21652165

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 26592048

約数和(自身を除く): 4939883

約数列:

[1, 5, 73, 137, 365, 433, 685, 2165, 10001, 31609, 50005, 59321, 158045, 296605, 4330433, 21652165]

約数ペア:

[(1, 21652165), (5, 4330433), (73, 296605), (137, 158045), (365, 59321), (433, 50005), (685, 31609), (2165, 10001)]