21979788

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{17783}}^1$

素因数の和:17893

約数の個数: 24

約数和(自身を含む): 51787008

約数和(自身を除く): 29807220

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 17783, 35566, 53349, 71132, 106698, 213396, 1831649, 3663298, 5494947, 7326596, 10989894, 21979788]

約数ペア:

[(1, 21979788), (2, 10989894), (3, 7326596), (4, 5494947), (6, 3663298), (12, 1831649), (103, 213396), (206, 106698), (309, 71132), (412, 53349), (618, 35566), (1236, 17783)]