21233916

素因数分解:

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

素因数の和:136

約数の個数: 108

約数和(自身を含む): 62014680

約数和(自身を除く): 40780764

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 43, 44, 58, 66, 86, 87, 99, 116, 129, 132, 172, 174, 198, 258, 261, 319, 348, 387, 396, 473, 516, 522, 638, 774, 946, 957, 1044, 1247, 1276, 1419, 1548, 1849, 1892, 1914, 2494, 2838, 2871, 3698, 3741, 3828, 4257, 4988, 5547, 5676, 5742, 7396, 7482, 8514, 11094, 11223, 11484, 13717, 14964, 16641, 17028, 20339, 22188, 22446, 27434, 33282, 40678, 41151, 44892, 53621, 54868, 61017, 66564, 81356, 82302, 107242, 122034, 123453, 160863, 164604, 183051, 214484, 244068, 246906, 321726, 366102, 482589, 493812, 589831, 643452, 732204, 965178, 1179662, 1769493, 1930356, 2359324, 3538986, 5308479, 7077972, 10616958, 21233916]

約数ペア:

[(1, 21233916), (2, 10616958), (3, 7077972), (4, 5308479), (6, 3538986), (9, 2359324), (11, 1930356), (12, 1769493), (18, 1179662), (22, 965178), (29, 732204), (33, 643452), (36, 589831), (43, 493812), (44, 482589), (58, 366102), (66, 321726), (86, 246906), (87, 244068), (99, 214484), (116, 183051), (129, 164604), (132, 160863), (172, 123453), (174, 122034), (198, 107242), (258, 82302), (261, 81356), (319, 66564), (348, 61017), (387, 54868), (396, 53621), (473, 44892), (516, 41151), (522, 40678), (638, 33282), (774, 27434), (946, 22446), (957, 22188), (1044, 20339), (1247, 17028), (1276, 16641), (1419, 14964), (1548, 13717), (1849, 11484), (1892, 11223), (1914, 11094), (2494, 8514), (2838, 7482), (2871, 7396), (3698, 5742), (3741, 5676), (3828, 5547), (4257, 4988)]