21331828

素因数分解:

$2^2\times 7^1\times {\mathrm{829}}^1\times {\mathrm{919}}^1$

素因数の和:1759

約数の個数: 24

約数和(自身を含む): 42761600

約数和(自身を除く): 21429772

約数列:

[1, 2, 4, 7, 14, 28, 829, 919, 1658, 1838, 3316, 3676, 5803, 6433, 11606, 12866, 23212, 25732, 761851, 1523702, 3047404, 5332957, 10665914, 21331828]

約数ペア:

[(1, 21331828), (2, 10665914), (4, 5332957), (7, 3047404), (14, 1523702), (28, 761851), (829, 25732), (919, 23212), (1658, 12866), (1838, 11606), (3316, 6433), (3676, 5803)]