21966428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3931}}^1$

素因数の和:4073

約数の個数: 24

約数和(自身を含む): 42276864

約数和(自身を除く): 20310436

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3931, 5588, 7862, 15724, 43241, 86482, 172964, 499237, 998474, 1996948, 5491607, 10983214, 21966428]

約数ペア:

[(1, 21966428), (2, 10983214), (4, 5491607), (11, 1996948), (22, 998474), (44, 499237), (127, 172964), (254, 86482), (508, 43241), (1397, 15724), (2794, 7862), (3931, 5588)]