21325728

素因数分解:

$2^5\times 3^1\times {\mathrm{193}}^1\times {\mathrm{1151}}^1$

素因数の和:1357

約数の個数: 48

約数和(自身を含む): 56318976

約数和(自身を除く): 34993248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 193, 386, 579, 772, 1151, 1158, 1544, 2302, 2316, 3088, 3453, 4604, 4632, 6176, 6906, 9208, 9264, 13812, 18416, 18528, 27624, 36832, 55248, 110496, 222143, 444286, 666429, 888572, 1332858, 1777144, 2665716, 3554288, 5331432, 7108576, 10662864, 21325728]

約数ペア:

[(1, 21325728), (2, 10662864), (3, 7108576), (4, 5331432), (6, 3554288), (8, 2665716), (12, 1777144), (16, 1332858), (24, 888572), (32, 666429), (48, 444286), (96, 222143), (193, 110496), (386, 55248), (579, 36832), (772, 27624), (1151, 18528), (1158, 18416), (1544, 13812), (2302, 9264), (2316, 9208), (3088, 6906), (3453, 6176), (4604, 4632)]