21896790720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{66499}}^1$

素因数の和:66540

約数の個数: 224

約数和(自身を含む): 81076800000

約数和(自身を除く): 59180009280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 343, 392, 420, 448, 480, 490, 560, 588, 672, 686, 735, 784, 840, 960, 980, 1029, 1120, 1176, 1344, 1372, 1470, 1568, 1680, 1715, 1960, 2058, 2240, 2352, 2744, 2940, 3136, 3360, 3430, 3920, 4116, 4704, 5145, 5488, 5880, 6720, 6860, 7840, 8232, 9408, 10290, 10976, 11760, 13720, 15680, 16464, 20580, 21952, 23520, 27440, 32928, 41160, 47040, 54880, 65856, 66499, 82320, 109760, 132998, 164640, 199497, 265996, 329280, 332495, 398994, 465493, 531992, 664990, 797988, 930986, 997485, 1063984, 1329980, 1396479, 1595976, 1861972, 1994970, 2127968, 2327465, 2659960, 2792958, 3191952, 3258451, 3723944, 3989940, 4255936, 4654930, 5319920, 5585916, 6383904, 6516902, 6982395, 7447888, 7979880, 9309860, 9775353, 10639840, 11171832, 12767808, 13033804, 13964790, 14895776, 15959760, 16292255, 18619720, 19550706, 21279680, 22343664, 22809157, 26067608, 27929580, 29791552, 31919520, 32584510, 37239440, 39101412, 44687328, 45618314, 48876765, 52135216, 55859160, 63839040, 65169020, 68427471, 74478880, 78202824, 89374656, 91236628, 97753530, 104270432, 111718320, 114045785, 130338040, 136854942, 148957760, 156405648, 182473256, 195507060, 208540864, 223436640, 228091570, 260676080, 273709884, 312811296, 342137355, 364946512, 391014120, 446873280, 456183140, 521352160, 547419768, 625622592, 684274710, 729893024, 782028240, 912366280, 1042704320, 1094839536, 1368549420, 1459786048, 1564056480, 1824732560, 2189679072, 2737098840, 3128112960, 3649465120, 4379358144, 5474197680, 7298930240, 10948395360, 21896790720]

約数ペア:

[(1, 21896790720), (2, 10948395360), (3, 7298930240), (4, 5474197680), (5, 4379358144), (6, 3649465120), (7, 3128112960), (8, 2737098840), (10, 2189679072), (12, 1824732560), (14, 1564056480), (15, 1459786048), (16, 1368549420), (20, 1094839536), (21, 1042704320), (24, 912366280), (28, 782028240), (30, 729893024), (32, 684274710), (35, 625622592), (40, 547419768), (42, 521352160), (48, 456183140), (49, 446873280), (56, 391014120), (60, 364946512), (64, 342137355), (70, 312811296), (80, 273709884), (84, 260676080), (96, 228091570), (98, 223436640), (105, 208540864), (112, 195507060), (120, 182473256), (140, 156405648), (147, 148957760), (160, 136854942), (168, 130338040), (192, 114045785), (196, 111718320), (210, 104270432), (224, 97753530), (240, 91236628), (245, 89374656), (280, 78202824), (294, 74478880), (320, 68427471), (336, 65169020), (343, 63839040), (392, 55859160), (420, 52135216), (448, 48876765), (480, 45618314), (490, 44687328), (560, 39101412), (588, 37239440), (672, 32584510), (686, 31919520), (735, 29791552), (784, 27929580), (840, 26067608), (960, 22809157), (980, 22343664), (1029, 21279680), (1120, 19550706), (1176, 18619720), (1344, 16292255), (1372, 15959760), (1470, 14895776), (1568, 13964790), (1680, 13033804), (1715, 12767808), (1960, 11171832), (2058, 10639840), (2240, 9775353), (2352, 9309860), (2744, 7979880), (2940, 7447888), (3136, 6982395), (3360, 6516902), (3430, 6383904), (3920, 5585916), (4116, 5319920), (4704, 4654930), (5145, 4255936), (5488, 3989940), (5880, 3723944), (6720, 3258451), (6860, 3191952), (7840, 2792958), (8232, 2659960), (9408, 2327465), (10290, 2127968), (10976, 1994970), (11760, 1861972), (13720, 1595976), (15680, 1396479), (16464, 1329980), (20580, 1063984), (21952, 997485), (23520, 930986), (27440, 797988), (32928, 664990), (41160, 531992), (47040, 465493), (54880, 398994), (65856, 332495), (66499, 329280), (82320, 265996), (109760, 199497), (132998, 164640)]