21900488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{161033}}^1$

素因数の和:161056

約数の個数: 16

約数和(自身を含む): 43479180

約数和(自身を除く): 21578692

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 161033, 322066, 644132, 1288264, 2737561, 5475122, 10950244, 21900488]

約数ペア:

[(1, 21900488), (2, 10950244), (4, 5475122), (8, 2737561), (17, 1288264), (34, 644132), (68, 322066), (136, 161033)]