21038035986

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:654

約数の個数: 192

約数和(自身を含む): 52744608000

約数和(自身を除く): 31706572014

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 71, 99, 101, 121, 142, 198, 202, 213, 242, 297, 303, 363, 426, 449, 594, 606, 639, 726, 781, 898, 909, 1089, 1111, 1278, 1347, 1562, 1818, 1917, 2178, 2222, 2343, 2694, 2727, 3267, 3333, 3834, 4041, 4686, 4939, 5454, 6534, 6666, 7029, 7171, 8082, 8591, 9878, 9999, 12123, 12221, 14058, 14342, 14817, 17182, 19998, 21087, 21513, 24246, 24442, 25773, 29634, 29997, 31879, 36663, 42174, 43026, 44451, 45349, 51546, 54329, 59994, 63758, 64539, 73326, 77319, 78881, 88902, 90698, 95637, 108658, 109989, 129078, 133353, 136047, 154638, 157762, 162987, 191274, 193617, 219978, 231957, 236643, 266706, 272094, 286911, 325974, 329967, 350669, 387234, 408141, 463914, 473286, 488961, 498839, 573822, 659934, 701338, 709929, 816282, 860733, 867691, 977922, 997678, 1052007, 1224423, 1419858, 1466883, 1496517, 1721466, 1735382, 2104014, 2129787, 2448846, 2603073, 2933766, 2993034, 3156021, 3219779, 3857359, 4259574, 4489551, 5206146, 5487229, 6312042, 6439558, 7714718, 7809219, 8979102, 9468063, 9659337, 10974458, 11572077, 13468653, 15618438, 16461687, 18936126, 19318674, 23144154, 23427657, 26937306, 28978011, 32923374, 34716231, 35417569, 46855314, 49385061, 57956022, 69432462, 70835138, 86934033, 98770122, 104148693, 106252707, 148155183, 173868066, 208297386, 212505414, 296310366, 318758121, 389593259, 637516242, 779186518, 956274363, 1168779777, 1912548726, 2337559554, 3506339331, 7012678662, 10519017993, 21038035986]

約数ペア:

[(1, 21038035986), (2, 10519017993), (3, 7012678662), (6, 3506339331), (9, 2337559554), (11, 1912548726), (18, 1168779777), (22, 956274363), (27, 779186518), (33, 637516242), (54, 389593259), (66, 318758121), (71, 296310366), (99, 212505414), (101, 208297386), (121, 173868066), (142, 148155183), (198, 106252707), (202, 104148693), (213, 98770122), (242, 86934033), (297, 70835138), (303, 69432462), (363, 57956022), (426, 49385061), (449, 46855314), (594, 35417569), (606, 34716231), (639, 32923374), (726, 28978011), (781, 26937306), (898, 23427657), (909, 23144154), (1089, 19318674), (1111, 18936126), (1278, 16461687), (1347, 15618438), (1562, 13468653), (1818, 11572077), (1917, 10974458), (2178, 9659337), (2222, 9468063), (2343, 8979102), (2694, 7809219), (2727, 7714718), (3267, 6439558), (3333, 6312042), (3834, 5487229), (4041, 5206146), (4686, 4489551), (4939, 4259574), (5454, 3857359), (6534, 3219779), (6666, 3156021), (7029, 2993034), (7171, 2933766), (8082, 2603073), (8591, 2448846), (9878, 2129787), (9999, 2104014), (12123, 1735382), (12221, 1721466), (14058, 1496517), (14342, 1466883), (14817, 1419858), (17182, 1224423), (19998, 1052007), (21087, 997678), (21513, 977922), (24246, 867691), (24442, 860733), (25773, 816282), (29634, 709929), (29997, 701338), (31879, 659934), (36663, 573822), (42174, 498839), (43026, 488961), (44451, 473286), (45349, 463914), (51546, 408141), (54329, 387234), (59994, 350669), (63758, 329967), (64539, 325974), (73326, 286911), (77319, 272094), (78881, 266706), (88902, 236643), (90698, 231957), (95637, 219978), (108658, 193617), (109989, 191274), (129078, 162987), (133353, 157762), (136047, 154638)]