21846305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{7151}}^1$

素因数の和:7216

約数の個数: 16

約数和(自身を含む): 28836864

約数和(自身を除く): 6990559

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 7151, 35755, 92963, 336097, 464815, 1680485, 4369261, 21846305]

約数ペア:

[(1, 21846305), (5, 4369261), (13, 1680485), (47, 464815), (65, 336097), (235, 92963), (611, 35755), (3055, 7151)]