21600205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{907}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 28373184

約数和(自身を除く): 6772979

約数列:

[1, 5, 11, 55, 433, 907, 2165, 4535, 4763, 9977, 23815, 49885, 392731, 1963655, 4320041, 21600205]

約数ペア:

[(1, 21600205), (5, 4320041), (11, 1963655), (55, 392731), (433, 49885), (907, 23815), (2165, 9977), (4535, 4763)]