21287841792

素因数分解:

$2^{12}\times 3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{653}}^1$

素因数の和:1066

約数の個数: 208

約数和(自身を含む): 65140074240

約数和(自身を除く): 43852232448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 379, 384, 448, 512, 653, 672, 758, 768, 896, 1024, 1137, 1306, 1344, 1516, 1536, 1792, 1959, 2048, 2274, 2612, 2653, 2688, 3032, 3072, 3584, 3918, 4096, 4548, 4571, 5224, 5306, 5376, 6064, 6144, 7168, 7836, 7959, 9096, 9142, 10448, 10612, 10752, 12128, 12288, 13713, 14336, 15672, 15918, 18192, 18284, 20896, 21224, 21504, 24256, 27426, 28672, 31344, 31836, 36384, 36568, 41792, 42448, 43008, 48512, 54852, 62688, 63672, 72768, 73136, 83584, 84896, 86016, 97024, 109704, 125376, 127344, 145536, 146272, 167168, 169792, 194048, 219408, 247487, 250752, 254688, 291072, 292544, 334336, 339584, 388096, 438816, 494974, 501504, 509376, 582144, 585088, 668672, 679168, 742461, 776192, 877632, 989948, 1003008, 1018752, 1164288, 1170176, 1337344, 1358336, 1484922, 1552384, 1732409, 1755264, 1979896, 2006016, 2037504, 2328576, 2340352, 2674688, 2716672, 2969844, 3464818, 3510528, 3959792, 4012032, 4075008, 4657152, 4680704, 5197227, 5433344, 5939688, 6929636, 7021056, 7919584, 8024064, 8150016, 9361408, 10394454, 10866688, 11879376, 13859272, 14042112, 15839168, 16300032, 18722816, 20788908, 23758752, 27718544, 28084224, 31678336, 32600064, 41577816, 47517504, 55437088, 56168448, 63356672, 83155632, 95035008, 110874176, 126713344, 166311264, 190070016, 221748352, 253426688, 332622528, 380140032, 443496704, 506853376, 665245056, 760280064, 886993408, 1013706752, 1330490112, 1520560128, 1773986816, 2660980224, 3041120256, 3547973632, 5321960448, 7095947264, 10643920896, 21287841792]

約数ペア:

[(1, 21287841792), (2, 10643920896), (3, 7095947264), (4, 5321960448), (6, 3547973632), (7, 3041120256), (8, 2660980224), (12, 1773986816), (14, 1520560128), (16, 1330490112), (21, 1013706752), (24, 886993408), (28, 760280064), (32, 665245056), (42, 506853376), (48, 443496704), (56, 380140032), (64, 332622528), (84, 253426688), (96, 221748352), (112, 190070016), (128, 166311264), (168, 126713344), (192, 110874176), (224, 95035008), (256, 83155632), (336, 63356672), (379, 56168448), (384, 55437088), (448, 47517504), (512, 41577816), (653, 32600064), (672, 31678336), (758, 28084224), (768, 27718544), (896, 23758752), (1024, 20788908), (1137, 18722816), (1306, 16300032), (1344, 15839168), (1516, 14042112), (1536, 13859272), (1792, 11879376), (1959, 10866688), (2048, 10394454), (2274, 9361408), (2612, 8150016), (2653, 8024064), (2688, 7919584), (3032, 7021056), (3072, 6929636), (3584, 5939688), (3918, 5433344), (4096, 5197227), (4548, 4680704), (4571, 4657152), (5224, 4075008), (5306, 4012032), (5376, 3959792), (6064, 3510528), (6144, 3464818), (7168, 2969844), (7836, 2716672), (7959, 2674688), (9096, 2340352), (9142, 2328576), (10448, 2037504), (10612, 2006016), (10752, 1979896), (12128, 1755264), (12288, 1732409), (13713, 1552384), (14336, 1484922), (15672, 1358336), (15918, 1337344), (18192, 1170176), (18284, 1164288), (20896, 1018752), (21224, 1003008), (21504, 989948), (24256, 877632), (27426, 776192), (28672, 742461), (31344, 679168), (31836, 668672), (36384, 585088), (36568, 582144), (41792, 509376), (42448, 501504), (43008, 494974), (48512, 438816), (54852, 388096), (62688, 339584), (63672, 334336), (72768, 292544), (73136, 291072), (83584, 254688), (84896, 250752), (86016, 247487), (97024, 219408), (109704, 194048), (125376, 169792), (127344, 167168), (145536, 146272)]