21677676

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^2\times {\mathrm{977}}^1$

素因数の和:1070

約数の個数: 36

約数和(自身を含む): 51837912

約数和(自身を除く): 30160236

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 977, 1849, 1954, 2931, 3698, 3908, 5547, 5862, 7396, 11094, 11724, 22188, 42011, 84022, 126033, 168044, 252066, 504132, 1806473, 3612946, 5419419, 7225892, 10838838, 21677676]

約数ペア:

[(1, 21677676), (2, 10838838), (3, 7225892), (4, 5419419), (6, 3612946), (12, 1806473), (43, 504132), (86, 252066), (129, 168044), (172, 126033), (258, 84022), (516, 42011), (977, 22188), (1849, 11724), (1954, 11094), (2931, 7396), (3698, 5862), (3908, 5547)]