21563124

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 58544640

約数和(自身を除く): 36981516

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 43, 44, 58, 66, 86, 87, 116, 129, 131, 132, 172, 174, 258, 262, 319, 348, 393, 473, 516, 524, 638, 786, 946, 957, 1247, 1276, 1419, 1441, 1572, 1892, 1914, 2494, 2838, 2882, 3741, 3799, 3828, 4323, 4988, 5633, 5676, 5764, 7482, 7598, 8646, 11266, 11397, 13717, 14964, 15196, 16899, 17292, 22532, 22794, 27434, 33798, 41151, 41789, 45588, 54868, 61963, 67596, 82302, 83578, 123926, 125367, 163357, 164604, 167156, 185889, 247852, 250734, 326714, 371778, 490071, 501468, 653428, 743556, 980142, 1796927, 1960284, 3593854, 5390781, 7187708, 10781562, 21563124]

約数ペア:

[(1, 21563124), (2, 10781562), (3, 7187708), (4, 5390781), (6, 3593854), (11, 1960284), (12, 1796927), (22, 980142), (29, 743556), (33, 653428), (43, 501468), (44, 490071), (58, 371778), (66, 326714), (86, 250734), (87, 247852), (116, 185889), (129, 167156), (131, 164604), (132, 163357), (172, 125367), (174, 123926), (258, 83578), (262, 82302), (319, 67596), (348, 61963), (393, 54868), (473, 45588), (516, 41789), (524, 41151), (638, 33798), (786, 27434), (946, 22794), (957, 22532), (1247, 17292), (1276, 16899), (1419, 15196), (1441, 14964), (1572, 13717), (1892, 11397), (1914, 11266), (2494, 8646), (2838, 7598), (2882, 7482), (3741, 5764), (3799, 5676), (3828, 5633), (4323, 4988)]