21418936

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 52668000

約数和(自身を除く): 31249064

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 29, 44, 56, 58, 77, 88, 109, 116, 121, 154, 203, 218, 232, 242, 308, 319, 406, 436, 484, 616, 638, 763, 812, 847, 872, 968, 1199, 1276, 1526, 1624, 1694, 2233, 2398, 2552, 3052, 3161, 3388, 3509, 4466, 4796, 6104, 6322, 6776, 7018, 8393, 8932, 9592, 12644, 13189, 14036, 16786, 17864, 22127, 24563, 25288, 26378, 28072, 33572, 34771, 44254, 49126, 52756, 67144, 69542, 88508, 92323, 98252, 105512, 139084, 177016, 184646, 196504, 243397, 278168, 369292, 382481, 486794, 738584, 764962, 973588, 1529924, 1947176, 2677367, 3059848, 5354734, 10709468, 21418936]

約数ペア:

[(1, 21418936), (2, 10709468), (4, 5354734), (7, 3059848), (8, 2677367), (11, 1947176), (14, 1529924), (22, 973588), (28, 764962), (29, 738584), (44, 486794), (56, 382481), (58, 369292), (77, 278168), (88, 243397), (109, 196504), (116, 184646), (121, 177016), (154, 139084), (203, 105512), (218, 98252), (232, 92323), (242, 88508), (308, 69542), (319, 67144), (406, 52756), (436, 49126), (484, 44254), (616, 34771), (638, 33572), (763, 28072), (812, 26378), (847, 25288), (872, 24563), (968, 22127), (1199, 17864), (1276, 16786), (1526, 14036), (1624, 13189), (1694, 12644), (2233, 9592), (2398, 8932), (2552, 8393), (3052, 7018), (3161, 6776), (3388, 6322), (3509, 6104), (4466, 4796)]