21494066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22721}}^1$

素因数の和:22777

約数の個数: 16

約数和(自身を含む): 35991648

約数和(自身を除く): 14497582

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22721, 45442, 249931, 499862, 977003, 1954006, 10747033, 21494066]

約数ペア:

[(1, 21494066), (2, 10747033), (11, 1954006), (22, 977003), (43, 499862), (86, 249931), (473, 45442), (946, 22721)]