21975395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1451}}^1$

素因数の和:1702

約数の個数: 16

約数和(自身を含む): 28540512

約数和(自身を除く): 6565117

約数列:

[1, 5, 13, 65, 233, 1165, 1451, 3029, 7255, 15145, 18863, 94315, 338083, 1690415, 4395079, 21975395]

約数ペア:

[(1, 21975395), (5, 4395079), (13, 1690415), (65, 338083), (233, 94315), (1165, 18863), (1451, 15145), (3029, 7255)]