21931294720

素因数分解:

$2^{16}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 272

約数和(自身を含む): 57981616128

約数和(自身を除く): 36050321408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 127, 128, 136, 155, 160, 170, 248, 254, 256, 272, 310, 320, 340, 496, 508, 512, 527, 544, 620, 635, 640, 680, 992, 1016, 1024, 1054, 1088, 1240, 1270, 1280, 1360, 1984, 2032, 2048, 2108, 2159, 2176, 2480, 2540, 2560, 2635, 2720, 3937, 3968, 4064, 4096, 4216, 4318, 4352, 4960, 5080, 5120, 5270, 5440, 7874, 7936, 8128, 8192, 8432, 8636, 8704, 9920, 10160, 10240, 10540, 10795, 10880, 15748, 15872, 16256, 16384, 16864, 17272, 17408, 19685, 19840, 20320, 20480, 21080, 21590, 21760, 31496, 31744, 32512, 32768, 33728, 34544, 34816, 39370, 39680, 40640, 40960, 42160, 43180, 43520, 62992, 63488, 65024, 65536, 66929, 67456, 69088, 69632, 78740, 79360, 81280, 81920, 84320, 86360, 87040, 125984, 126976, 130048, 133858, 134912, 138176, 139264, 157480, 158720, 162560, 163840, 168640, 172720, 174080, 251968, 253952, 260096, 267716, 269824, 276352, 278528, 314960, 317440, 325120, 327680, 334645, 337280, 345440, 348160, 503936, 507904, 520192, 535432, 539648, 552704, 557056, 629920, 634880, 650240, 669290, 674560, 690880, 696320, 1007872, 1015808, 1040384, 1070864, 1079296, 1105408, 1114112, 1259840, 1269760, 1300480, 1338580, 1349120, 1381760, 1392640, 2015744, 2031616, 2080768, 2141728, 2158592, 2210816, 2519680, 2539520, 2600960, 2677160, 2698240, 2763520, 2785280, 4031488, 4161536, 4283456, 4317184, 4421632, 5039360, 5079040, 5201920, 5354320, 5396480, 5527040, 5570560, 8062976, 8323072, 8566912, 8634368, 8843264, 10078720, 10158080, 10403840, 10708640, 10792960, 11054080, 16125952, 17133824, 17268736, 17686528, 20157440, 20807680, 21417280, 21585920, 22108160, 32251904, 34267648, 34537472, 35373056, 40314880, 41615360, 42834560, 43171840, 44216320, 64503808, 68535296, 70746112, 80629760, 85669120, 86343680, 88432640, 129007616, 137070592, 141492224, 161259520, 171338240, 172687360, 176865280, 258015232, 274141184, 322519040, 342676480, 353730560, 548282368, 645038080, 685352960, 707461120, 1096564736, 1290076160, 1370705920, 2193129472, 2741411840, 4386258944, 5482823680, 10965647360, 21931294720]

約数ペア:

[(1, 21931294720), (2, 10965647360), (4, 5482823680), (5, 4386258944), (8, 2741411840), (10, 2193129472), (16, 1370705920), (17, 1290076160), (20, 1096564736), (31, 707461120), (32, 685352960), (34, 645038080), (40, 548282368), (62, 353730560), (64, 342676480), (68, 322519040), (80, 274141184), (85, 258015232), (124, 176865280), (127, 172687360), (128, 171338240), (136, 161259520), (155, 141492224), (160, 137070592), (170, 129007616), (248, 88432640), (254, 86343680), (256, 85669120), (272, 80629760), (310, 70746112), (320, 68535296), (340, 64503808), (496, 44216320), (508, 43171840), (512, 42834560), (527, 41615360), (544, 40314880), (620, 35373056), (635, 34537472), (640, 34267648), (680, 32251904), (992, 22108160), (1016, 21585920), (1024, 21417280), (1054, 20807680), (1088, 20157440), (1240, 17686528), (1270, 17268736), (1280, 17133824), (1360, 16125952), (1984, 11054080), (2032, 10792960), (2048, 10708640), (2108, 10403840), (2159, 10158080), (2176, 10078720), (2480, 8843264), (2540, 8634368), (2560, 8566912), (2635, 8323072), (2720, 8062976), (3937, 5570560), (3968, 5527040), (4064, 5396480), (4096, 5354320), (4216, 5201920), (4318, 5079040), (4352, 5039360), (4960, 4421632), (5080, 4317184), (5120, 4283456), (5270, 4161536), (5440, 4031488), (7874, 2785280), (7936, 2763520), (8128, 2698240), (8192, 2677160), (8432, 2600960), (8636, 2539520), (8704, 2519680), (9920, 2210816), (10160, 2158592), (10240, 2141728), (10540, 2080768), (10795, 2031616), (10880, 2015744), (15748, 1392640), (15872, 1381760), (16256, 1349120), (16384, 1338580), (16864, 1300480), (17272, 1269760), (17408, 1259840), (19685, 1114112), (19840, 1105408), (20320, 1079296), (20480, 1070864), (21080, 1040384), (21590, 1015808), (21760, 1007872), (31496, 696320), (31744, 690880), (32512, 674560), (32768, 669290), (33728, 650240), (34544, 634880), (34816, 629920), (39370, 557056), (39680, 552704), (40640, 539648), (40960, 535432), (42160, 520192), (43180, 507904), (43520, 503936), (62992, 348160), (63488, 345440), (65024, 337280), (65536, 334645), (66929, 327680), (67456, 325120), (69088, 317440), (69632, 314960), (78740, 278528), (79360, 276352), (81280, 269824), (81920, 267716), (84320, 260096), (86360, 253952), (87040, 251968), (125984, 174080), (126976, 172720), (130048, 168640), (133858, 163840), (134912, 162560), (138176, 158720), (139264, 157480)]