21000385056

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3121}}^1$

素因数の和:3208

約数の個数: 384

約数和(自身を含む): 72506327040

約数和(自身を除く): 51505941984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 19, 21, 24, 28, 31, 32, 34, 38, 42, 48, 51, 56, 57, 62, 68, 76, 84, 93, 96, 102, 112, 114, 119, 124, 133, 136, 152, 168, 186, 204, 217, 224, 228, 238, 248, 266, 272, 304, 323, 336, 357, 372, 399, 408, 434, 456, 476, 496, 527, 532, 544, 589, 608, 646, 651, 672, 714, 744, 798, 816, 868, 912, 952, 969, 992, 1054, 1064, 1178, 1292, 1302, 1428, 1488, 1581, 1596, 1632, 1736, 1767, 1824, 1904, 1938, 2108, 2128, 2261, 2356, 2584, 2604, 2856, 2976, 3121, 3162, 3192, 3472, 3534, 3689, 3808, 3876, 4123, 4216, 4256, 4522, 4712, 5168, 5208, 5712, 6242, 6324, 6384, 6783, 6944, 7068, 7378, 7752, 8246, 8432, 9044, 9363, 9424, 10013, 10336, 10416, 11067, 11424, 12369, 12484, 12648, 12768, 13566, 14136, 14756, 15504, 16492, 16864, 18088, 18726, 18848, 20026, 20832, 21847, 22134, 24738, 24968, 25296, 27132, 28272, 29512, 30039, 31008, 32984, 36176, 37452, 40052, 43694, 44268, 49476, 49936, 50592, 53057, 54264, 56544, 59024, 59299, 60078, 65541, 65968, 70091, 72352, 74904, 80104, 87388, 88536, 96751, 98952, 99872, 106114, 108528, 118048, 118598, 120156, 131082, 131936, 140182, 149808, 159171, 160208, 174776, 177072, 177897, 193502, 197904, 210273, 212228, 217056, 237196, 240312, 262164, 280364, 290253, 299616, 318342, 320416, 349552, 354144, 355794, 371399, 387004, 395808, 415093, 420546, 424456, 474392, 480624, 524328, 560728, 580506, 636684, 677257, 699104, 711588, 742798, 774008, 830186, 841092, 848912, 948784, 961248, 1008083, 1048656, 1114197, 1121456, 1161012, 1245279, 1273368, 1354514, 1423176, 1485596, 1548016, 1644767, 1660372, 1682184, 1697824, 1838269, 1897568, 2016166, 2031771, 2097312, 2228394, 2242912, 2322024, 2490558, 2546736, 2709028, 2846352, 2971192, 3024249, 3096032, 3289534, 3320744, 3364368, 3676538, 4032332, 4063542, 4456788, 4644048, 4934301, 4981116, 5093472, 5418056, 5514807, 5692704, 5942384, 6048498, 6579068, 6641488, 6728736, 7056581, 7353076, 8064664, 8127084, 8913576, 9288096, 9868602, 9962232, 10836112, 11029614, 11513369, 11884768, 12096996, 12867883, 13158136, 13282976, 14113162, 14706152, 16129328, 16254168, 17827152, 19737204, 19924464, 21169743, 21672224, 22059228, 23026738, 24193992, 25735766, 26316272, 28226324, 29412304, 31250573, 32258656, 32508336, 34540107, 35654304, 38603649, 39474408, 39848928, 42339486, 44118456, 46053476, 48387984, 51471532, 52632544, 56452648, 58824608, 62501146, 65016672, 69080214, 77207298, 78948816, 84678972, 88236912, 92106952, 93751719, 96775968, 102943064, 112905296, 125002292, 138160428, 154414596, 157897632, 169357944, 176473824, 184213904, 187503438, 205886128, 218754011, 225810592, 250004584, 276320856, 308829192, 338715888, 368427808, 375006876, 411772256, 437508022, 500009168, 552641712, 617658384, 656262033, 677431776, 750013752, 875016044, 1000018336, 1105283424, 1235316768, 1312524066, 1500027504, 1750032088, 2625048132, 3000055008, 3500064176, 5250096264, 7000128352, 10500192528, 21000385056]

約数ペア:

[(1, 21000385056), (2, 10500192528), (3, 7000128352), (4, 5250096264), (6, 3500064176), (7, 3000055008), (8, 2625048132), (12, 1750032088), (14, 1500027504), (16, 1312524066), (17, 1235316768), (19, 1105283424), (21, 1000018336), (24, 875016044), (28, 750013752), (31, 677431776), (32, 656262033), (34, 617658384), (38, 552641712), (42, 500009168), (48, 437508022), (51, 411772256), (56, 375006876), (57, 368427808), (62, 338715888), (68, 308829192), (76, 276320856), (84, 250004584), (93, 225810592), (96, 218754011), (102, 205886128), (112, 187503438), (114, 184213904), (119, 176473824), (124, 169357944), (133, 157897632), (136, 154414596), (152, 138160428), (168, 125002292), (186, 112905296), (204, 102943064), (217, 96775968), (224, 93751719), (228, 92106952), (238, 88236912), (248, 84678972), (266, 78948816), (272, 77207298), (304, 69080214), (323, 65016672), (336, 62501146), (357, 58824608), (372, 56452648), (399, 52632544), (408, 51471532), (434, 48387984), (456, 46053476), (476, 44118456), (496, 42339486), (527, 39848928), (532, 39474408), (544, 38603649), (589, 35654304), (608, 34540107), (646, 32508336), (651, 32258656), (672, 31250573), (714, 29412304), (744, 28226324), (798, 26316272), (816, 25735766), (868, 24193992), (912, 23026738), (952, 22059228), (969, 21672224), (992, 21169743), (1054, 19924464), (1064, 19737204), (1178, 17827152), (1292, 16254168), (1302, 16129328), (1428, 14706152), (1488, 14113162), (1581, 13282976), (1596, 13158136), (1632, 12867883), (1736, 12096996), (1767, 11884768), (1824, 11513369), (1904, 11029614), (1938, 10836112), (2108, 9962232), (2128, 9868602), (2261, 9288096), (2356, 8913576), (2584, 8127084), (2604, 8064664), (2856, 7353076), (2976, 7056581), (3121, 6728736), (3162, 6641488), (3192, 6579068), (3472, 6048498), (3534, 5942384), (3689, 5692704), (3808, 5514807), (3876, 5418056), (4123, 5093472), (4216, 4981116), (4256, 4934301), (4522, 4644048), (4712, 4456788), (5168, 4063542), (5208, 4032332), (5712, 3676538), (6242, 3364368), (6324, 3320744), (6384, 3289534), (6783, 3096032), (6944, 3024249), (7068, 2971192), (7378, 2846352), (7752, 2709028), (8246, 2546736), (8432, 2490558), (9044, 2322024), (9363, 2242912), (9424, 2228394), (10013, 2097312), (10336, 2031771), (10416, 2016166), (11067, 1897568), (11424, 1838269), (12369, 1697824), (12484, 1682184), (12648, 1660372), (12768, 1644767), (13566, 1548016), (14136, 1485596), (14756, 1423176), (15504, 1354514), (16492, 1273368), (16864, 1245279), (18088, 1161012), (18726, 1121456), (18848, 1114197), (20026, 1048656), (20832, 1008083), (21847, 961248), (22134, 948784), (24738, 848912), (24968, 841092), (25296, 830186), (27132, 774008), (28272, 742798), (29512, 711588), (30039, 699104), (31008, 677257), (32984, 636684), (36176, 580506), (37452, 560728), (40052, 524328), (43694, 480624), (44268, 474392), (49476, 424456), (49936, 420546), (50592, 415093), (53057, 395808), (54264, 387004), (56544, 371399), (59024, 355794), (59299, 354144), (60078, 349552), (65541, 320416), (65968, 318342), (70091, 299616), (72352, 290253), (74904, 280364), (80104, 262164), (87388, 240312), (88536, 237196), (96751, 217056), (98952, 212228), (99872, 210273), (106114, 197904), (108528, 193502), (118048, 177897), (118598, 177072), (120156, 174776), (131082, 160208), (131936, 159171), (140182, 149808)]