21094820

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3727}}^1$

素因数の和:4019

約数の個数: 24

約数和(自身を含む): 44467584

約数和(自身を除く): 23372764

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3727, 5660, 7454, 14908, 18635, 37270, 74540, 1054741, 2109482, 4218964, 5273705, 10547410, 21094820]

約数ペア:

[(1, 21094820), (2, 10547410), (4, 5273705), (5, 4218964), (10, 2109482), (20, 1054741), (283, 74540), (566, 37270), (1132, 18635), (1415, 14908), (2830, 7454), (3727, 5660)]