21802959

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47501}}^1$

素因数の和:47527

約数の個数: 16

約数和(自身を含む): 34201440

約数和(自身を除く): 12398481

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 47501, 142503, 427509, 807517, 1282527, 2422551, 7267653, 21802959]

約数ペア:

[(1, 21802959), (3, 7267653), (9, 2422551), (17, 1282527), (27, 807517), (51, 427509), (153, 142503), (459, 47501)]