21000201684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{101917}}^1$

素因数の和:102165

約数の個数: 96

約数和(自身を含む): 61366050816

約数和(自身を除く): 40365849132

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 223, 231, 308, 446, 462, 669, 892, 924, 1338, 1561, 2453, 2676, 3122, 4683, 4906, 6244, 7359, 9366, 9812, 14718, 17171, 18732, 29436, 34342, 51513, 68684, 101917, 103026, 203834, 206052, 305751, 407668, 611502, 713419, 1121087, 1223004, 1426838, 2140257, 2242174, 2853676, 3363261, 4280514, 4484348, 6726522, 7847609, 8561028, 13453044, 15695218, 22727491, 23542827, 31390436, 45454982, 47085654, 68182473, 90909964, 94171308, 136364946, 159092437, 250002401, 272729892, 318184874, 477277311, 500004802, 636369748, 750007203, 954554622, 1000009604, 1500014406, 1750016807, 1909109244, 3000028812, 3500033614, 5250050421, 7000067228, 10500100842, 21000201684]

約数ペア:

[(1, 21000201684), (2, 10500100842), (3, 7000067228), (4, 5250050421), (6, 3500033614), (7, 3000028812), (11, 1909109244), (12, 1750016807), (14, 1500014406), (21, 1000009604), (22, 954554622), (28, 750007203), (33, 636369748), (42, 500004802), (44, 477277311), (66, 318184874), (77, 272729892), (84, 250002401), (132, 159092437), (154, 136364946), (223, 94171308), (231, 90909964), (308, 68182473), (446, 47085654), (462, 45454982), (669, 31390436), (892, 23542827), (924, 22727491), (1338, 15695218), (1561, 13453044), (2453, 8561028), (2676, 7847609), (3122, 6726522), (4683, 4484348), (4906, 4280514), (6244, 3363261), (7359, 2853676), (9366, 2242174), (9812, 2140257), (14718, 1426838), (17171, 1223004), (18732, 1121087), (29436, 713419), (34342, 611502), (51513, 407668), (68684, 305751), (101917, 206052), (103026, 203834)]