21786416

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33211}}^1$

素因数の和:33260

約数の個数: 20

約数和(自身を含む): 43242024

約数和(自身を除く): 21455608

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33211, 66422, 132844, 265688, 531376, 1361651, 2723302, 5446604, 10893208, 21786416]

約数ペア:

[(1, 21786416), (2, 10893208), (4, 5446604), (8, 2723302), (16, 1361651), (41, 531376), (82, 265688), (164, 132844), (328, 66422), (656, 33211)]