21083385

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5881}}^1$

素因数の和:6128

約数の個数: 16

約数和(自身を含む): 33880320

約数和(自身を除く): 12796935

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 5881, 17643, 29405, 88215, 1405559, 4216677, 7027795, 21083385]

約数ペア:

[(1, 21083385), (3, 7027795), (5, 4216677), (15, 1405559), (239, 88215), (717, 29405), (1195, 17643), (3585, 5881)]