21188934

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 53673984

約数和(自身を除く): 32485050

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 31, 39, 46, 62, 69, 78, 93, 117, 127, 138, 186, 207, 234, 254, 279, 299, 381, 403, 414, 558, 598, 713, 762, 806, 897, 1143, 1209, 1426, 1651, 1794, 2139, 2286, 2418, 2691, 2921, 3302, 3627, 3937, 4278, 4953, 5382, 5842, 6417, 7254, 7874, 8763, 9269, 9906, 11811, 12834, 14859, 17526, 18538, 23622, 26289, 27807, 29718, 35433, 37973, 51181, 52578, 55614, 70866, 75946, 83421, 90551, 102362, 113919, 153543, 166842, 181102, 227838, 271653, 307086, 341757, 460629, 543306, 683514, 814959, 921258, 1177163, 1629918, 2354326, 3531489, 7062978, 10594467, 21188934]

約数ペア:

[(1, 21188934), (2, 10594467), (3, 7062978), (6, 3531489), (9, 2354326), (13, 1629918), (18, 1177163), (23, 921258), (26, 814959), (31, 683514), (39, 543306), (46, 460629), (62, 341757), (69, 307086), (78, 271653), (93, 227838), (117, 181102), (127, 166842), (138, 153543), (186, 113919), (207, 102362), (234, 90551), (254, 83421), (279, 75946), (299, 70866), (381, 55614), (403, 52578), (414, 51181), (558, 37973), (598, 35433), (713, 29718), (762, 27807), (806, 26289), (897, 23622), (1143, 18538), (1209, 17526), (1426, 14859), (1651, 12834), (1794, 11811), (2139, 9906), (2286, 9269), (2418, 8763), (2691, 7874), (2921, 7254), (3302, 6417), (3627, 5842), (3937, 5382), (4278, 4953)]