21128096

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 45759168

約数和(自身を除く): 24631072

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 193, 311, 352, 386, 622, 772, 1244, 1544, 2123, 2488, 3088, 3421, 4246, 4976, 6176, 6842, 8492, 9952, 13684, 16984, 27368, 33968, 54736, 60023, 67936, 109472, 120046, 240092, 480184, 660253, 960368, 1320506, 1920736, 2641012, 5282024, 10564048, 21128096]

約数ペア:

[(1, 21128096), (2, 10564048), (4, 5282024), (8, 2641012), (11, 1920736), (16, 1320506), (22, 960368), (32, 660253), (44, 480184), (88, 240092), (176, 120046), (193, 109472), (311, 67936), (352, 60023), (386, 54736), (622, 33968), (772, 27368), (1244, 16984), (1544, 13684), (2123, 9952), (2488, 8492), (3088, 6842), (3421, 6176), (4246, 4976)]