21772025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1931}}^1$

素因数の和:1993

約数の個数: 24

約数和(自身を含む): 30185568

約数和(自身を除く): 8413543

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 1931, 2255, 9655, 11275, 21241, 48275, 79171, 106205, 395855, 531025, 870881, 1979275, 4354405, 21772025]

約数ペア:

[(1, 21772025), (5, 4354405), (11, 1979275), (25, 870881), (41, 531025), (55, 395855), (205, 106205), (275, 79171), (451, 48275), (1025, 21241), (1931, 11275), (2255, 9655)]