21323845

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{739}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 26640000

約数和(自身を除く): 5316155

約数列:

[1, 5, 29, 145, 199, 739, 995, 3695, 5771, 21431, 28855, 107155, 147061, 735305, 4264769, 21323845]

約数ペア:

[(1, 21323845), (5, 4264769), (29, 735305), (145, 147061), (199, 107155), (739, 28855), (995, 21431), (3695, 5771)]