21257656266

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{16253}}^1$

素因数の和:16444

約数の個数: 128

約数和(自身を含む): 56173824000

約数和(自身を除く): 34916167734

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 77, 114, 133, 149, 154, 209, 231, 266, 298, 399, 418, 447, 462, 627, 798, 894, 1043, 1254, 1463, 1639, 2086, 2831, 2926, 3129, 3278, 4389, 4917, 5662, 6258, 8493, 8778, 9834, 11473, 16253, 16986, 19817, 22946, 31141, 32506, 34419, 39634, 48759, 59451, 62282, 68838, 93423, 97518, 113771, 118902, 178783, 186846, 217987, 227542, 308807, 341313, 357566, 435974, 536349, 617614, 653961, 682626, 926421, 1072698, 1251481, 1307922, 1852842, 2161649, 2421697, 2502962, 3396877, 3754443, 4323298, 4843394, 6484947, 6793754, 7265091, 7508886, 10190631, 12969894, 14530182, 16951879, 20381262, 23778139, 26638667, 33903758, 46012243, 47556278, 50855637, 53277334, 71334417, 79916001, 92024486, 101711274, 138036729, 142668834, 159832002, 186470669, 276073458, 322085701, 372941338, 506134673, 559412007, 644171402, 966257103, 1012269346, 1118824014, 1518404019, 1932514206, 3036808038, 3542942711, 7085885422, 10628828133, 21257656266]

約数ペア:

[(1, 21257656266), (2, 10628828133), (3, 7085885422), (6, 3542942711), (7, 3036808038), (11, 1932514206), (14, 1518404019), (19, 1118824014), (21, 1012269346), (22, 966257103), (33, 644171402), (38, 559412007), (42, 506134673), (57, 372941338), (66, 322085701), (77, 276073458), (114, 186470669), (133, 159832002), (149, 142668834), (154, 138036729), (209, 101711274), (231, 92024486), (266, 79916001), (298, 71334417), (399, 53277334), (418, 50855637), (447, 47556278), (462, 46012243), (627, 33903758), (798, 26638667), (894, 23778139), (1043, 20381262), (1254, 16951879), (1463, 14530182), (1639, 12969894), (2086, 10190631), (2831, 7508886), (2926, 7265091), (3129, 6793754), (3278, 6484947), (4389, 4843394), (4917, 4323298), (5662, 3754443), (6258, 3396877), (8493, 2502962), (8778, 2421697), (9834, 2161649), (11473, 1852842), (16253, 1307922), (16986, 1251481), (19817, 1072698), (22946, 926421), (31141, 682626), (32506, 653961), (34419, 617614), (39634, 536349), (48759, 435974), (59451, 357566), (62282, 341313), (68838, 308807), (93423, 227542), (97518, 217987), (113771, 186846), (118902, 178783)]