21021778512

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{11503}}^1$

素因数の和:11575

約数の個数: 240

約数和(自身を含む): 70468902400

約数和(自身を除く): 49447123888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 49, 56, 63, 72, 74, 84, 98, 111, 112, 126, 144, 147, 148, 168, 196, 222, 252, 259, 294, 296, 333, 336, 343, 392, 441, 444, 504, 518, 588, 592, 666, 686, 777, 784, 882, 888, 1008, 1029, 1036, 1176, 1332, 1372, 1554, 1764, 1776, 1813, 2058, 2072, 2331, 2352, 2664, 2744, 3087, 3108, 3528, 3626, 4116, 4144, 4662, 5328, 5439, 5488, 6174, 6216, 7056, 7252, 8232, 9324, 10878, 11503, 12348, 12432, 12691, 14504, 16317, 16464, 18648, 21756, 23006, 24696, 25382, 29008, 32634, 34509, 37296, 38073, 43512, 46012, 49392, 50764, 65268, 69018, 76146, 80521, 87024, 92024, 101528, 103527, 114219, 130536, 138036, 152292, 161042, 184048, 203056, 207054, 228438, 241563, 261072, 276072, 304584, 322084, 414108, 425611, 456876, 483126, 552144, 563647, 609168, 644168, 724689, 828216, 851222, 913752, 966252, 1127294, 1276833, 1288336, 1449378, 1656432, 1690941, 1702444, 1827504, 1932504, 2254588, 2553666, 2898756, 2979277, 3381882, 3404888, 3830499, 3865008, 3945529, 4509176, 5072823, 5107332, 5797512, 5958554, 6763764, 6809776, 7660998, 7891058, 8937831, 9018352, 10145646, 10214664, 11595024, 11836587, 11917108, 13527528, 15321996, 15782116, 17875662, 20291292, 20429328, 20854939, 23673174, 23834216, 26813493, 27055056, 30643992, 31564232, 35509761, 35751324, 40582584, 41709878, 47346348, 47668432, 53626986, 61287984, 62564817, 63128464, 71019522, 71502648, 81165168, 83419756, 94692696, 107253972, 125129634, 142039044, 143005296, 145984573, 166839512, 187694451, 189385392, 214507944, 250259268, 284078088, 291969146, 333679024, 375388902, 429015888, 437953719, 500518536, 568156176, 583938292, 750777804, 875907438, 1001037072, 1167876584, 1313861157, 1501555608, 1751814876, 2335753168, 2627722314, 3003111216, 3503629752, 5255444628, 7007259504, 10510889256, 21021778512]

約数ペア:

[(1, 21021778512), (2, 10510889256), (3, 7007259504), (4, 5255444628), (6, 3503629752), (7, 3003111216), (8, 2627722314), (9, 2335753168), (12, 1751814876), (14, 1501555608), (16, 1313861157), (18, 1167876584), (21, 1001037072), (24, 875907438), (28, 750777804), (36, 583938292), (37, 568156176), (42, 500518536), (48, 437953719), (49, 429015888), (56, 375388902), (63, 333679024), (72, 291969146), (74, 284078088), (84, 250259268), (98, 214507944), (111, 189385392), (112, 187694451), (126, 166839512), (144, 145984573), (147, 143005296), (148, 142039044), (168, 125129634), (196, 107253972), (222, 94692696), (252, 83419756), (259, 81165168), (294, 71502648), (296, 71019522), (333, 63128464), (336, 62564817), (343, 61287984), (392, 53626986), (441, 47668432), (444, 47346348), (504, 41709878), (518, 40582584), (588, 35751324), (592, 35509761), (666, 31564232), (686, 30643992), (777, 27055056), (784, 26813493), (882, 23834216), (888, 23673174), (1008, 20854939), (1029, 20429328), (1036, 20291292), (1176, 17875662), (1332, 15782116), (1372, 15321996), (1554, 13527528), (1764, 11917108), (1776, 11836587), (1813, 11595024), (2058, 10214664), (2072, 10145646), (2331, 9018352), (2352, 8937831), (2664, 7891058), (2744, 7660998), (3087, 6809776), (3108, 6763764), (3528, 5958554), (3626, 5797512), (4116, 5107332), (4144, 5072823), (4662, 4509176), (5328, 3945529), (5439, 3865008), (5488, 3830499), (6174, 3404888), (6216, 3381882), (7056, 2979277), (7252, 2898756), (8232, 2553666), (9324, 2254588), (10878, 1932504), (11503, 1827504), (12348, 1702444), (12432, 1690941), (12691, 1656432), (14504, 1449378), (16317, 1288336), (16464, 1276833), (18648, 1127294), (21756, 966252), (23006, 913752), (24696, 851222), (25382, 828216), (29008, 724689), (32634, 644168), (34509, 609168), (37296, 563647), (38073, 552144), (43512, 483126), (46012, 456876), (49392, 425611), (50764, 414108), (65268, 322084), (69018, 304584), (76146, 276072), (80521, 261072), (87024, 241563), (92024, 228438), (101528, 207054), (103527, 203056), (114219, 184048), (130536, 161042), (138036, 152292)]