21094900

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1093}}^1$

素因数の和:1300

約数の個数: 36

約数和(自身を含む): 46055212

約数和(自身を除く): 24960312

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1093, 1930, 2186, 3860, 4372, 4825, 5465, 9650, 10930, 19300, 21860, 27325, 54650, 109300, 210949, 421898, 843796, 1054745, 2109490, 4218980, 5273725, 10547450, 21094900]

約数ペア:

[(1, 21094900), (2, 10547450), (4, 5273725), (5, 4218980), (10, 2109490), (20, 1054745), (25, 843796), (50, 421898), (100, 210949), (193, 109300), (386, 54650), (772, 27325), (965, 21860), (1093, 19300), (1930, 10930), (2186, 9650), (3860, 5465), (4372, 4825)]