21898456

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{10651}}^1$

素因数の和:10914

約数の個数: 16

約数和(自身を含む): 41223240

約数和(自身を除く): 19324784

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 10651, 21302, 42604, 85208, 2737307, 5474614, 10949228, 21898456]

約数ペア:

[(1, 21898456), (2, 10949228), (4, 5474614), (8, 2737307), (257, 85208), (514, 42604), (1028, 21302), (2056, 10651)]