21540772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{6197}}^1$

素因数の和:6291

約数の個数: 24

約数和(自身を含む): 41650560

約数和(自身を除く): 20109788

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 6197, 12394, 24788, 68167, 136334, 272668, 489563, 979126, 1958252, 5385193, 10770386, 21540772]

約数ペア:

[(1, 21540772), (2, 10770386), (4, 5385193), (11, 1958252), (22, 979126), (44, 489563), (79, 272668), (158, 136334), (316, 68167), (869, 24788), (1738, 12394), (3476, 6197)]