21101222016

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{2381}}^1$

素因数の和:2572

約数の個数: 288

約数和(自身を含む): 71114347980

約数和(自身を除く): 50013125964

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 128, 144, 147, 157, 168, 192, 196, 224, 252, 288, 294, 314, 336, 384, 392, 441, 448, 471, 504, 576, 588, 628, 672, 784, 882, 896, 942, 1008, 1099, 1152, 1176, 1256, 1344, 1413, 1568, 1764, 1884, 2016, 2198, 2352, 2381, 2512, 2688, 2826, 3136, 3297, 3528, 3768, 4032, 4396, 4704, 4762, 5024, 5652, 6272, 6594, 7056, 7143, 7536, 7693, 8064, 8792, 9408, 9524, 9891, 10048, 11304, 13188, 14112, 14286, 15072, 15386, 16667, 17584, 18816, 19048, 19782, 20096, 21429, 22608, 23079, 26376, 28224, 28572, 30144, 30772, 33334, 35168, 38096, 39564, 42858, 45216, 46158, 50001, 52752, 56448, 57144, 60288, 61544, 66668, 69237, 70336, 76192, 79128, 85716, 90432, 92316, 100002, 105504, 114288, 116669, 123088, 133336, 138474, 140672, 150003, 152384, 158256, 171432, 180864, 184632, 200004, 211008, 228576, 233338, 246176, 266672, 276948, 300006, 304768, 316512, 342864, 350007, 369264, 373817, 400008, 422016, 457152, 466676, 492352, 533344, 553896, 600012, 633024, 685728, 700014, 738528, 747634, 800016, 914304, 933352, 984704, 1050021, 1066688, 1107792, 1121451, 1200024, 1266048, 1371456, 1400028, 1477056, 1495268, 1600032, 1866704, 2100042, 2133376, 2215584, 2242902, 2400048, 2616719, 2742912, 2800056, 2954112, 2990536, 3200064, 3364353, 3733408, 4200084, 4431168, 4485804, 4800096, 5233438, 5600112, 5981072, 6400128, 6728706, 7466816, 7850157, 8400168, 8862336, 8971608, 9600192, 10466876, 11200224, 11962144, 13457412, 14933632, 15700314, 16800336, 17943216, 18317033, 19200384, 20933752, 22400448, 23550471, 23924288, 26914824, 31400628, 33600672, 35886432, 36634066, 41867504, 44800896, 47100942, 47848576, 53829648, 54951099, 62801256, 67201344, 71772864, 73268132, 83735008, 94201884, 107659296, 109902198, 125602512, 134402688, 143545728, 146536264, 164853297, 167470016, 188403768, 215318592, 219804396, 251205024, 293072528, 329706594, 334940032, 376807536, 430637184, 439608792, 502410048, 586145056, 659413188, 753615072, 879217584, 1004820096, 1172290112, 1318826376, 1507230144, 1758435168, 2344580224, 2637652752, 3014460288, 3516870336, 5275305504, 7033740672, 10550611008, 21101222016]

約数ペア:

[(1, 21101222016), (2, 10550611008), (3, 7033740672), (4, 5275305504), (6, 3516870336), (7, 3014460288), (8, 2637652752), (9, 2344580224), (12, 1758435168), (14, 1507230144), (16, 1318826376), (18, 1172290112), (21, 1004820096), (24, 879217584), (28, 753615072), (32, 659413188), (36, 586145056), (42, 502410048), (48, 439608792), (49, 430637184), (56, 376807536), (63, 334940032), (64, 329706594), (72, 293072528), (84, 251205024), (96, 219804396), (98, 215318592), (112, 188403768), (126, 167470016), (128, 164853297), (144, 146536264), (147, 143545728), (157, 134402688), (168, 125602512), (192, 109902198), (196, 107659296), (224, 94201884), (252, 83735008), (288, 73268132), (294, 71772864), (314, 67201344), (336, 62801256), (384, 54951099), (392, 53829648), (441, 47848576), (448, 47100942), (471, 44800896), (504, 41867504), (576, 36634066), (588, 35886432), (628, 33600672), (672, 31400628), (784, 26914824), (882, 23924288), (896, 23550471), (942, 22400448), (1008, 20933752), (1099, 19200384), (1152, 18317033), (1176, 17943216), (1256, 16800336), (1344, 15700314), (1413, 14933632), (1568, 13457412), (1764, 11962144), (1884, 11200224), (2016, 10466876), (2198, 9600192), (2352, 8971608), (2381, 8862336), (2512, 8400168), (2688, 7850157), (2826, 7466816), (3136, 6728706), (3297, 6400128), (3528, 5981072), (3768, 5600112), (4032, 5233438), (4396, 4800096), (4704, 4485804), (4762, 4431168), (5024, 4200084), (5652, 3733408), (6272, 3364353), (6594, 3200064), (7056, 2990536), (7143, 2954112), (7536, 2800056), (7693, 2742912), (8064, 2616719), (8792, 2400048), (9408, 2242902), (9524, 2215584), (9891, 2133376), (10048, 2100042), (11304, 1866704), (13188, 1600032), (14112, 1495268), (14286, 1477056), (15072, 1400028), (15386, 1371456), (16667, 1266048), (17584, 1200024), (18816, 1121451), (19048, 1107792), (19782, 1066688), (20096, 1050021), (21429, 984704), (22608, 933352), (23079, 914304), (26376, 800016), (28224, 747634), (28572, 738528), (30144, 700014), (30772, 685728), (33334, 633024), (35168, 600012), (38096, 553896), (39564, 533344), (42858, 492352), (45216, 466676), (46158, 457152), (50001, 422016), (52752, 400008), (56448, 373817), (57144, 369264), (60288, 350007), (61544, 342864), (66668, 316512), (69237, 304768), (70336, 300006), (76192, 276948), (79128, 266672), (85716, 246176), (90432, 233338), (92316, 228576), (100002, 211008), (105504, 200004), (114288, 184632), (116669, 180864), (123088, 171432), (133336, 158256), (138474, 152384), (140672, 150003)]