21555083880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{78887}}^1$

素因数の和:78941

約数の個数: 256

約数和(自身を含む): 81791078400

約数和(自身を除く): 60235994520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 27, 30, 33, 36, 40, 44, 45, 46, 54, 55, 60, 66, 69, 72, 88, 90, 92, 99, 108, 110, 115, 120, 132, 135, 138, 165, 180, 184, 198, 207, 216, 220, 230, 253, 264, 270, 276, 297, 330, 345, 360, 396, 414, 440, 460, 495, 506, 540, 552, 594, 621, 660, 690, 759, 792, 828, 920, 990, 1012, 1035, 1080, 1188, 1242, 1265, 1320, 1380, 1485, 1518, 1656, 1980, 2024, 2070, 2277, 2376, 2484, 2530, 2760, 2970, 3036, 3105, 3795, 3960, 4140, 4554, 4968, 5060, 5940, 6072, 6210, 6831, 7590, 8280, 9108, 10120, 11385, 11880, 12420, 13662, 15180, 18216, 22770, 24840, 27324, 30360, 34155, 45540, 54648, 68310, 78887, 91080, 136620, 157774, 236661, 273240, 315548, 394435, 473322, 631096, 709983, 788870, 867757, 946644, 1183305, 1419966, 1577740, 1735514, 1814401, 1893288, 2129949, 2366610, 2603271, 2839932, 3155480, 3471028, 3549915, 3628802, 4259898, 4338785, 4733220, 5206542, 5443203, 5679864, 6942056, 7099830, 7257604, 7809813, 8519796, 8677570, 9072005, 9466440, 10413084, 10649745, 10886406, 13016355, 14199660, 14515208, 15619626, 16329609, 17039592, 17355140, 18144010, 19958411, 20826168, 21299490, 21772812, 23429439, 26032710, 27216015, 28399320, 31239252, 32659218, 34710280, 36288020, 39049065, 39916822, 42598980, 43545624, 46858878, 48988827, 52065420, 54432030, 59875233, 62478504, 65318436, 72576040, 78098130, 79833644, 81648045, 85197960, 93717756, 97977654, 99792055, 104130840, 108864060, 117147195, 119750466, 130636872, 156196260, 159667288, 163296090, 179625699, 187435512, 195955308, 199584110, 217728120, 234294390, 239500932, 244944135, 299376165, 312392520, 326592180, 359251398, 391910616, 399168220, 468588780, 479001864, 489888270, 538877097, 598752330, 653184360, 718502796, 798336440, 898128495, 937177560, 979776540, 1077754194, 1197504660, 1437005592, 1796256990, 1959553080, 2155508388, 2395009320, 2694385485, 3592513980, 4311016776, 5388770970, 7185027960, 10777541940, 21555083880]

約数ペア:

[(1, 21555083880), (2, 10777541940), (3, 7185027960), (4, 5388770970), (5, 4311016776), (6, 3592513980), (8, 2694385485), (9, 2395009320), (10, 2155508388), (11, 1959553080), (12, 1796256990), (15, 1437005592), (18, 1197504660), (20, 1077754194), (22, 979776540), (23, 937177560), (24, 898128495), (27, 798336440), (30, 718502796), (33, 653184360), (36, 598752330), (40, 538877097), (44, 489888270), (45, 479001864), (46, 468588780), (54, 399168220), (55, 391910616), (60, 359251398), (66, 326592180), (69, 312392520), (72, 299376165), (88, 244944135), (90, 239500932), (92, 234294390), (99, 217728120), (108, 199584110), (110, 195955308), (115, 187435512), (120, 179625699), (132, 163296090), (135, 159667288), (138, 156196260), (165, 130636872), (180, 119750466), (184, 117147195), (198, 108864060), (207, 104130840), (216, 99792055), (220, 97977654), (230, 93717756), (253, 85197960), (264, 81648045), (270, 79833644), (276, 78098130), (297, 72576040), (330, 65318436), (345, 62478504), (360, 59875233), (396, 54432030), (414, 52065420), (440, 48988827), (460, 46858878), (495, 43545624), (506, 42598980), (540, 39916822), (552, 39049065), (594, 36288020), (621, 34710280), (660, 32659218), (690, 31239252), (759, 28399320), (792, 27216015), (828, 26032710), (920, 23429439), (990, 21772812), (1012, 21299490), (1035, 20826168), (1080, 19958411), (1188, 18144010), (1242, 17355140), (1265, 17039592), (1320, 16329609), (1380, 15619626), (1485, 14515208), (1518, 14199660), (1656, 13016355), (1980, 10886406), (2024, 10649745), (2070, 10413084), (2277, 9466440), (2376, 9072005), (2484, 8677570), (2530, 8519796), (2760, 7809813), (2970, 7257604), (3036, 7099830), (3105, 6942056), (3795, 5679864), (3960, 5443203), (4140, 5206542), (4554, 4733220), (4968, 4338785), (5060, 4259898), (5940, 3628802), (6072, 3549915), (6210, 3471028), (6831, 3155480), (7590, 2839932), (8280, 2603271), (9108, 2366610), (10120, 2129949), (11385, 1893288), (11880, 1814401), (12420, 1735514), (13662, 1577740), (15180, 1419966), (18216, 1183305), (22770, 946644), (24840, 867757), (27324, 788870), (30360, 709983), (34155, 631096), (45540, 473322), (54648, 394435), (68310, 315548), (78887, 273240), (91080, 236661), (136620, 157774)]