21657239520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^3\times {\mathrm{131543}}^1$

素因数の和:131582

約数の個数: 192

約数和(自身を含む): 79557811200

約数和(自身を除く): 57900571680

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, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 343, 392, 420, 480, 490, 560, 588, 672, 686, 735, 784, 840, 980, 1029, 1120, 1176, 1372, 1470, 1568, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 3360, 3430, 3920, 4116, 4704, 5145, 5488, 5880, 6860, 7840, 8232, 10290, 10976, 11760, 13720, 16464, 20580, 23520, 27440, 32928, 41160, 54880, 82320, 131543, 164640, 263086, 394629, 526172, 657715, 789258, 920801, 1052344, 1315430, 1578516, 1841602, 1973145, 2104688, 2630860, 2762403, 3157032, 3683204, 3946290, 4209376, 4604005, 5261720, 5524806, 6314064, 6445607, 7366408, 7892580, 9208010, 10523440, 11049612, 12628128, 12891214, 13812015, 14732816, 15785160, 18416020, 19336821, 21046880, 22099224, 25782428, 27624030, 29465632, 31570320, 32228035, 36832040, 38673642, 44198448, 45119249, 51564856, 55248060, 63140640, 64456070, 73664080, 77347284, 88396896, 90238498, 96684105, 103129712, 110496120, 128912140, 135357747, 147328160, 154694568, 180476996, 193368210, 206259424, 220992240, 225596245, 257824280, 270715494, 309389136, 360953992, 386736420, 441984480, 451192490, 515648560, 541430988, 618778272, 676788735, 721907984, 773472840, 902384980, 1031297120, 1082861976, 1353577470, 1443815968, 1546945680, 1804769960, 2165723952, 2707154940, 3093891360, 3609539920, 4331447904, 5414309880, 7219079840, 10828619760, 21657239520]

約数ペア:

[(1, 21657239520), (2, 10828619760), (3, 7219079840), (4, 5414309880), (5, 4331447904), (6, 3609539920), (7, 3093891360), (8, 2707154940), (10, 2165723952), (12, 1804769960), (14, 1546945680), (15, 1443815968), (16, 1353577470), (20, 1082861976), (21, 1031297120), (24, 902384980), (28, 773472840), (30, 721907984), (32, 676788735), (35, 618778272), (40, 541430988), (42, 515648560), (48, 451192490), (49, 441984480), (56, 386736420), (60, 360953992), (70, 309389136), (80, 270715494), (84, 257824280), (96, 225596245), (98, 220992240), (105, 206259424), (112, 193368210), (120, 180476996), (140, 154694568), (147, 147328160), (160, 135357747), (168, 128912140), (196, 110496120), (210, 103129712), (224, 96684105), (240, 90238498), (245, 88396896), (280, 77347284), (294, 73664080), (336, 64456070), (343, 63140640), (392, 55248060), (420, 51564856), (480, 45119249), (490, 44198448), (560, 38673642), (588, 36832040), (672, 32228035), (686, 31570320), (735, 29465632), (784, 27624030), (840, 25782428), (980, 22099224), (1029, 21046880), (1120, 19336821), (1176, 18416020), (1372, 15785160), (1470, 14732816), (1568, 13812015), (1680, 12891214), (1715, 12628128), (1960, 11049612), (2058, 10523440), (2352, 9208010), (2744, 7892580), (2940, 7366408), (3360, 6445607), (3430, 6314064), (3920, 5524806), (4116, 5261720), (4704, 4604005), (5145, 4209376), (5488, 3946290), (5880, 3683204), (6860, 3157032), (7840, 2762403), (8232, 2630860), (10290, 2104688), (10976, 1973145), (11760, 1841602), (13720, 1578516), (16464, 1315430), (20580, 1052344), (23520, 920801), (27440, 789258), (32928, 657715), (41160, 526172), (54880, 394629), (82320, 263086), (131543, 164640)]