21695465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{911}}^1$

素因数の和:1360

約数の個数: 16

約数和(自身を含む): 28498176

約数和(自身を除く): 6802711

約数列:

[1, 5, 11, 55, 433, 911, 2165, 4555, 4763, 10021, 23815, 50105, 394463, 1972315, 4339093, 21695465]

約数ペア:

[(1, 21695465), (5, 4339093), (11, 1972315), (55, 394463), (433, 50105), (911, 23815), (2165, 10021), (4555, 4763)]