21261054

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{34403}}^1$

素因数の和:34511

約数の個数: 16

約数和(自身を含む): 42936192

約数和(自身を除く): 21675138

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 34403, 68806, 103209, 206418, 3543509, 7087018, 10630527, 21261054]

約数ペア:

[(1, 21261054), (2, 10630527), (3, 7087018), (6, 3543509), (103, 206418), (206, 103209), (309, 68806), (618, 34403)]