21842795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4733}}^1$

素因数の和:4822

約数の個数: 16

約数和(自身を含む): 28631232

約数和(自身を除く): 6788437

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 4733, 23665, 61529, 307645, 336043, 1680215, 4368559, 21842795]

約数ペア:

[(1, 21842795), (5, 4368559), (13, 1680215), (65, 336043), (71, 307645), (355, 61529), (923, 23665), (4615, 4733)]