21728336

素因数分解:

$2^4\times 7^1\times {\mathrm{194003}}^1$

素因数の和:194018

約数の個数: 20

約数和(自身を含む): 48112992

約数和(自身を除く): 26384656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 194003, 388006, 776012, 1358021, 1552024, 2716042, 3104048, 5432084, 10864168, 21728336]

約数ペア:

[(1, 21728336), (2, 10864168), (4, 5432084), (7, 3104048), (8, 2716042), (14, 1552024), (16, 1358021), (28, 776012), (56, 388006), (112, 194003)]