21904555

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{709}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 27195840

約数和(自身を除く): 5291285

約数列:

[1, 5, 37, 167, 185, 709, 835, 3545, 6179, 26233, 30895, 118403, 131165, 592015, 4380911, 21904555]

約数ペア:

[(1, 21904555), (5, 4380911), (37, 592015), (167, 131165), (185, 118403), (709, 30895), (835, 26233), (3545, 6179)]