21609897

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4799}}^1$

素因数の和:4900

約数の個数: 16

約数和(自身を含む): 30720000

約数和(自身を除く): 9110103

約数列:

[1, 3, 19, 57, 79, 237, 1501, 4503, 4799, 14397, 91181, 273543, 379121, 1137363, 7203299, 21609897]

約数ペア:

[(1, 21609897), (3, 7203299), (19, 1137363), (57, 379121), (79, 273543), (237, 91181), (1501, 14397), (4503, 4799)]