21937255

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{947}}^1$

素因数の和:1106

約数の個数: 16

約数和(自身を含む): 27234144

約数和(自身を除く): 5296889

約数列:

[1, 5, 41, 113, 205, 565, 947, 4633, 4735, 23165, 38827, 107011, 194135, 535055, 4387451, 21937255]

約数ペア:

[(1, 21937255), (5, 4387451), (41, 535055), (113, 194135), (205, 107011), (565, 38827), (947, 23165), (4633, 4735)]