21213518256

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{307}}^1\times {\mathrm{1399}}^1$

素因数の和:1741

約数の個数: 240

約数和(自身を含む): 69509440000

約数和(自身を除く): 48295921744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 307, 336, 343, 392, 441, 504, 588, 614, 686, 784, 882, 921, 1008, 1029, 1176, 1228, 1372, 1399, 1764, 1842, 2058, 2149, 2352, 2456, 2744, 2763, 2798, 3087, 3528, 3684, 4116, 4197, 4298, 4912, 5488, 5526, 5596, 6174, 6447, 7056, 7368, 8232, 8394, 8596, 9793, 11052, 11192, 12348, 12591, 12894, 14736, 15043, 16464, 16788, 17192, 19341, 19586, 22104, 22384, 24696, 25182, 25788, 29379, 30086, 33576, 34384, 38682, 39172, 44208, 45129, 49392, 50364, 51576, 58758, 60172, 67152, 68551, 77364, 78344, 88137, 90258, 100728, 103152, 105301, 117516, 120344, 135387, 137102, 154728, 156688, 176274, 180516, 201456, 205653, 210602, 235032, 240688, 270774, 274204, 309456, 315903, 352548, 361032, 411306, 421204, 429493, 470064, 479857, 541548, 548408, 616959, 631806, 705096, 722064, 822612, 842408, 858986, 947709, 959714, 1083096, 1096816, 1233918, 1263612, 1288479, 1410192, 1439571, 1645224, 1684816, 1717972, 1895418, 1919428, 2166192, 2467836, 2527224, 2576958, 2879142, 3006451, 3290448, 3435944, 3790836, 3838856, 3865437, 4318713, 4935672, 5054448, 5153916, 5758284, 6012902, 6871888, 7581672, 7677712, 7730874, 8637426, 9019353, 9871344, 10307832, 11516568, 12025804, 15163344, 15461748, 17274852, 18038706, 20615664, 21045157, 23033136, 24051608, 27058059, 30923496, 34549704, 36077412, 42090314, 48103216, 54116118, 61846992, 63135471, 69099408, 72154824, 84180628, 108232236, 126270942, 144309648, 147316099, 168361256, 189406413, 216464472, 252541884, 294632198, 336722512, 378812826, 432928944, 441948297, 505083768, 589264396, 757625652, 883896594, 1010167536, 1178528792, 1325844891, 1515251304, 1767793188, 2357057584, 2651689782, 3030502608, 3535586376, 5303379564, 7071172752, 10606759128, 21213518256]

約数ペア:

[(1, 21213518256), (2, 10606759128), (3, 7071172752), (4, 5303379564), (6, 3535586376), (7, 3030502608), (8, 2651689782), (9, 2357057584), (12, 1767793188), (14, 1515251304), (16, 1325844891), (18, 1178528792), (21, 1010167536), (24, 883896594), (28, 757625652), (36, 589264396), (42, 505083768), (48, 441948297), (49, 432928944), (56, 378812826), (63, 336722512), (72, 294632198), (84, 252541884), (98, 216464472), (112, 189406413), (126, 168361256), (144, 147316099), (147, 144309648), (168, 126270942), (196, 108232236), (252, 84180628), (294, 72154824), (307, 69099408), (336, 63135471), (343, 61846992), (392, 54116118), (441, 48103216), (504, 42090314), (588, 36077412), (614, 34549704), (686, 30923496), (784, 27058059), (882, 24051608), (921, 23033136), (1008, 21045157), (1029, 20615664), (1176, 18038706), (1228, 17274852), (1372, 15461748), (1399, 15163344), (1764, 12025804), (1842, 11516568), (2058, 10307832), (2149, 9871344), (2352, 9019353), (2456, 8637426), (2744, 7730874), (2763, 7677712), (2798, 7581672), (3087, 6871888), (3528, 6012902), (3684, 5758284), (4116, 5153916), (4197, 5054448), (4298, 4935672), (4912, 4318713), (5488, 3865437), (5526, 3838856), (5596, 3790836), (6174, 3435944), (6447, 3290448), (7056, 3006451), (7368, 2879142), (8232, 2576958), (8394, 2527224), (8596, 2467836), (9793, 2166192), (11052, 1919428), (11192, 1895418), (12348, 1717972), (12591, 1684816), (12894, 1645224), (14736, 1439571), (15043, 1410192), (16464, 1288479), (16788, 1263612), (17192, 1233918), (19341, 1096816), (19586, 1083096), (22104, 959714), (22384, 947709), (24696, 858986), (25182, 842408), (25788, 822612), (29379, 722064), (30086, 705096), (33576, 631806), (34384, 616959), (38682, 548408), (39172, 541548), (44208, 479857), (45129, 470064), (49392, 429493), (50364, 421204), (51576, 411306), (58758, 361032), (60172, 352548), (67152, 315903), (68551, 309456), (77364, 274204), (78344, 270774), (88137, 240688), (90258, 235032), (100728, 210602), (103152, 205653), (105301, 201456), (117516, 180516), (120344, 176274), (135387, 156688), (137102, 154728)]