21445299722

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:553

約数の個数: 144

約数和(自身を含む): 42810695424

約数和(自身を除く): 21365395702

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 121, 154, 217, 227, 242, 257, 341, 434, 454, 514, 539, 682, 847, 1078, 1519, 1589, 1694, 1799, 2387, 2497, 2827, 3038, 3178, 3598, 3751, 4774, 4994, 5654, 5929, 7037, 7502, 7967, 11123, 11858, 12593, 14074, 15934, 16709, 17479, 19789, 22246, 25186, 26257, 27467, 31097, 33418, 34958, 39578, 49259, 52514, 54934, 55769, 58339, 62194, 77407, 87637, 98518, 111538, 116678, 122353, 138523, 154814, 175274, 183799, 192269, 217679, 244706, 277046, 344813, 367598, 384538, 390383, 408373, 435358, 541849, 613459, 641729, 689626, 780766, 816746, 851477, 964007, 1083698, 1226918, 1283458, 1345883, 1523753, 1702954, 1808509, 1928014, 2691766, 2858611, 3047506, 3617018, 3792943, 4294213, 4492103, 5717222, 5960339, 6748049, 7059019, 7585886, 8588426, 8984206, 11920678, 12659563, 13496098, 14118038, 19893599, 25319126, 31444721, 39787198, 41722373, 47236343, 49413133, 62889442, 83444746, 88616941, 94472686, 98826266, 139255193, 177233882, 218829589, 278510386, 345891931, 437659178, 691783862, 974786351, 1531807123, 1949572702, 3063614246, 10722649861, 21445299722]

約数ペア:

[(1, 21445299722), (2, 10722649861), (7, 3063614246), (11, 1949572702), (14, 1531807123), (22, 974786351), (31, 691783862), (49, 437659178), (62, 345891931), (77, 278510386), (98, 218829589), (121, 177233882), (154, 139255193), (217, 98826266), (227, 94472686), (242, 88616941), (257, 83444746), (341, 62889442), (434, 49413133), (454, 47236343), (514, 41722373), (539, 39787198), (682, 31444721), (847, 25319126), (1078, 19893599), (1519, 14118038), (1589, 13496098), (1694, 12659563), (1799, 11920678), (2387, 8984206), (2497, 8588426), (2827, 7585886), (3038, 7059019), (3178, 6748049), (3598, 5960339), (3751, 5717222), (4774, 4492103), (4994, 4294213), (5654, 3792943), (5929, 3617018), (7037, 3047506), (7502, 2858611), (7967, 2691766), (11123, 1928014), (11858, 1808509), (12593, 1702954), (14074, 1523753), (15934, 1345883), (16709, 1283458), (17479, 1226918), (19789, 1083698), (22246, 964007), (25186, 851477), (26257, 816746), (27467, 780766), (31097, 689626), (33418, 641729), (34958, 613459), (39578, 541849), (49259, 435358), (52514, 408373), (54934, 390383), (55769, 384538), (58339, 367598), (62194, 344813), (77407, 277046), (87637, 244706), (98518, 217679), (111538, 192269), (116678, 183799), (122353, 175274), (138523, 154814)]