21728852

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2819}}^1$

素因数の和:2911

約数の個数: 24

約数和(自身を含む): 39795840

約数和(自身を除く): 18066988

約数列:

[1, 2, 4, 41, 47, 82, 94, 164, 188, 1927, 2819, 3854, 5638, 7708, 11276, 115579, 132493, 231158, 264986, 462316, 529972, 5432213, 10864426, 21728852]

約数ペア:

[(1, 21728852), (2, 10864426), (4, 5432213), (41, 529972), (47, 462316), (82, 264986), (94, 231158), (164, 132493), (188, 115579), (1927, 11276), (2819, 7708), (3854, 5638)]