21428017656

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{4889}}^1$

素因数の和:5109

約数の個数: 128

約数和(自身を含む): 57008793600

約数和(自身を除く): 35580775944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 62, 86, 93, 124, 129, 137, 172, 186, 248, 258, 274, 344, 372, 411, 516, 548, 744, 822, 1032, 1096, 1333, 1644, 2666, 3288, 3999, 4247, 4889, 5332, 5891, 7998, 8494, 9778, 10664, 11782, 12741, 14667, 15996, 16988, 17673, 19556, 23564, 25482, 29334, 31992, 33976, 35346, 39112, 47128, 50964, 58668, 70692, 101928, 117336, 141384, 151559, 182621, 210227, 303118, 365242, 420454, 454677, 547863, 606236, 630681, 669793, 730484, 840908, 909354, 1095726, 1212472, 1261362, 1339586, 1460968, 1681816, 1818708, 2009379, 2191452, 2522724, 2679172, 3637416, 4018758, 4382904, 5045448, 5358344, 6517037, 8037516, 13034074, 16075032, 19551111, 20763583, 26068148, 28801099, 39102222, 41527166, 52136296, 57602198, 62290749, 78204444, 83054332, 86403297, 115204396, 124581498, 156408888, 166108664, 172806594, 230408792, 249162996, 345613188, 498325992, 691226376, 892834069, 1785668138, 2678502207, 3571336276, 5357004414, 7142672552, 10714008828, 21428017656]

約数ペア:

[(1, 21428017656), (2, 10714008828), (3, 7142672552), (4, 5357004414), (6, 3571336276), (8, 2678502207), (12, 1785668138), (24, 892834069), (31, 691226376), (43, 498325992), (62, 345613188), (86, 249162996), (93, 230408792), (124, 172806594), (129, 166108664), (137, 156408888), (172, 124581498), (186, 115204396), (248, 86403297), (258, 83054332), (274, 78204444), (344, 62290749), (372, 57602198), (411, 52136296), (516, 41527166), (548, 39102222), (744, 28801099), (822, 26068148), (1032, 20763583), (1096, 19551111), (1333, 16075032), (1644, 13034074), (2666, 8037516), (3288, 6517037), (3999, 5358344), (4247, 5045448), (4889, 4382904), (5332, 4018758), (5891, 3637416), (7998, 2679172), (8494, 2522724), (9778, 2191452), (10664, 2009379), (11782, 1818708), (12741, 1681816), (14667, 1460968), (15996, 1339586), (16988, 1261362), (17673, 1212472), (19556, 1095726), (23564, 909354), (25482, 840908), (29334, 730484), (31992, 669793), (33976, 630681), (35346, 606236), (39112, 547863), (47128, 454677), (50964, 420454), (58668, 365242), (70692, 303118), (101928, 210227), (117336, 182621), (141384, 151559)]