21115691112

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20460941}}^1$

素因数の和:20460993

約数の個数: 32

約数和(自身を含む): 54016886880

約数和(自身を除く): 32901195768

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20460941, 40921882, 61382823, 81843764, 122765646, 163687528, 245531292, 491062584, 879820463, 1759640926, 2639461389, 3519281852, 5278922778, 7038563704, 10557845556, 21115691112]

約数ペア:

[(1, 21115691112), (2, 10557845556), (3, 7038563704), (4, 5278922778), (6, 3519281852), (8, 2639461389), (12, 1759640926), (24, 879820463), (43, 491062584), (86, 245531292), (129, 163687528), (172, 122765646), (258, 81843764), (344, 61382823), (516, 40921882), (1032, 20460941)]