21007749120

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1033}}^1$

素因数の和:1396

約数の個数: 208

約数和(自身を含む): 67484928192

約数和(自身を除く): 46477179072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 331, 384, 480, 512, 640, 662, 768, 960, 993, 1024, 1033, 1280, 1324, 1536, 1655, 1920, 1986, 2048, 2066, 2560, 2648, 3072, 3099, 3310, 3840, 3972, 4096, 4132, 4965, 5120, 5165, 5296, 6144, 6198, 6620, 7680, 7944, 8264, 9930, 10240, 10330, 10592, 12288, 12396, 13240, 15360, 15495, 15888, 16528, 19860, 20480, 20660, 21184, 24792, 26480, 30720, 30990, 31776, 33056, 39720, 41320, 42368, 49584, 52960, 61440, 61980, 63552, 66112, 79440, 82640, 84736, 99168, 105920, 123960, 127104, 132224, 158880, 165280, 169472, 198336, 211840, 247920, 254208, 264448, 317760, 330560, 338944, 341923, 396672, 423680, 495840, 508416, 528896, 635520, 661120, 677888, 683846, 793344, 847360, 991680, 1016832, 1025769, 1057792, 1271040, 1322240, 1355776, 1367692, 1586688, 1694720, 1709615, 1983360, 2033664, 2051538, 2115584, 2542080, 2644480, 2735384, 3173376, 3389440, 3419230, 3966720, 4067328, 4103076, 4231168, 5084160, 5128845, 5288960, 5470768, 6346752, 6778880, 6838460, 7933440, 8206152, 10168320, 10257690, 10577920, 10941536, 12693504, 13676920, 15866880, 16412304, 20336640, 20515380, 21155840, 21883072, 27353840, 31733760, 32824608, 41030760, 43766144, 54707680, 63467520, 65649216, 82061520, 87532288, 109415360, 131298432, 164123040, 175064576, 218830720, 262596864, 328246080, 350129152, 437661440, 525193728, 656492160, 700258304, 875322880, 1050387456, 1312984320, 1400516608, 1750645760, 2100774912, 2625968640, 3501291520, 4201549824, 5251937280, 7002583040, 10503874560, 21007749120]

約数ペア:

[(1, 21007749120), (2, 10503874560), (3, 7002583040), (4, 5251937280), (5, 4201549824), (6, 3501291520), (8, 2625968640), (10, 2100774912), (12, 1750645760), (15, 1400516608), (16, 1312984320), (20, 1050387456), (24, 875322880), (30, 700258304), (32, 656492160), (40, 525193728), (48, 437661440), (60, 350129152), (64, 328246080), (80, 262596864), (96, 218830720), (120, 175064576), (128, 164123040), (160, 131298432), (192, 109415360), (240, 87532288), (256, 82061520), (320, 65649216), (331, 63467520), (384, 54707680), (480, 43766144), (512, 41030760), (640, 32824608), (662, 31733760), (768, 27353840), (960, 21883072), (993, 21155840), (1024, 20515380), (1033, 20336640), (1280, 16412304), (1324, 15866880), (1536, 13676920), (1655, 12693504), (1920, 10941536), (1986, 10577920), (2048, 10257690), (2066, 10168320), (2560, 8206152), (2648, 7933440), (3072, 6838460), (3099, 6778880), (3310, 6346752), (3840, 5470768), (3972, 5288960), (4096, 5128845), (4132, 5084160), (4965, 4231168), (5120, 4103076), (5165, 4067328), (5296, 3966720), (6144, 3419230), (6198, 3389440), (6620, 3173376), (7680, 2735384), (7944, 2644480), (8264, 2542080), (9930, 2115584), (10240, 2051538), (10330, 2033664), (10592, 1983360), (12288, 1709615), (12396, 1694720), (13240, 1586688), (15360, 1367692), (15495, 1355776), (15888, 1322240), (16528, 1271040), (19860, 1057792), (20480, 1025769), (20660, 1016832), (21184, 991680), (24792, 847360), (26480, 793344), (30720, 683846), (30990, 677888), (31776, 661120), (33056, 635520), (39720, 528896), (41320, 508416), (42368, 495840), (49584, 423680), (52960, 396672), (61440, 341923), (61980, 338944), (63552, 330560), (66112, 317760), (79440, 264448), (82640, 254208), (84736, 247920), (99168, 211840), (105920, 198336), (123960, 169472), (127104, 165280), (132224, 158880)]