21353395

素因数分解:

$5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1409}}^1$

素因数の和:1854

約数の個数: 16

約数和(自身を含む): 29373120

約数和(自身を除く): 8019725

約数列:

[1, 5, 7, 35, 433, 1409, 2165, 3031, 7045, 9863, 15155, 49315, 610097, 3050485, 4270679, 21353395]

約数ペア:

[(1, 21353395), (5, 4270679), (7, 3050485), (35, 610097), (433, 49315), (1409, 15155), (2165, 9863), (3031, 7045)]