21048385

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{757}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 25978176

約数和(自身を除く): 4929791

約数列:

[1, 5, 67, 83, 335, 415, 757, 3785, 5561, 27805, 50719, 62831, 253595, 314155, 4209677, 21048385]

約数ペア:

[(1, 21048385), (5, 4209677), (67, 314155), (83, 253595), (335, 62831), (415, 50719), (757, 27805), (3785, 5561)]