21000810894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{433}}^1\times {\mathrm{13913}}^1$

素因数の和:14441

約数の個数: 64

約数和(自身を含む): 48695883264

約数和(自身を除く): 27695072370

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 83, 166, 249, 433, 498, 581, 866, 1162, 1299, 1743, 2598, 3031, 3486, 6062, 9093, 13913, 18186, 27826, 35939, 41739, 71878, 83478, 97391, 107817, 194782, 215634, 251573, 292173, 503146, 584346, 754719, 1154779, 1509438, 2309558, 3464337, 6024329, 6928674, 8083453, 12048658, 16166906, 18072987, 24250359, 36145974, 42170303, 48500718, 84340606, 126510909, 253021818, 500019307, 1000038614, 1500057921, 3000115842, 3500135149, 7000270298, 10500405447, 21000810894]

約数ペア:

[(1, 21000810894), (2, 10500405447), (3, 7000270298), (6, 3500135149), (7, 3000115842), (14, 1500057921), (21, 1000038614), (42, 500019307), (83, 253021818), (166, 126510909), (249, 84340606), (433, 48500718), (498, 42170303), (581, 36145974), (866, 24250359), (1162, 18072987), (1299, 16166906), (1743, 12048658), (2598, 8083453), (3031, 6928674), (3486, 6024329), (6062, 3464337), (9093, 2309558), (13913, 1509438), (18186, 1154779), (27826, 754719), (35939, 584346), (41739, 503146), (71878, 292173), (83478, 251573), (97391, 215634), (107817, 194782)]