21687234

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{50909}}^1$

素因数の和:50985

約数の個数: 16

約数和(自身を含む): 43986240

約数和(自身を除く): 22299006

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 50909, 101818, 152727, 305454, 3614539, 7229078, 10843617, 21687234]

約数ペア:

[(1, 21687234), (2, 10843617), (3, 7229078), (6, 3614539), (71, 305454), (142, 152727), (213, 101818), (426, 50909)]