21649320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 288

約数和(自身を含む): 89631360

約数和(自身を除く): 67982040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 71, 72, 77, 84, 88, 90, 99, 105, 110, 120, 121, 126, 132, 140, 142, 154, 165, 168, 180, 198, 210, 213, 220, 231, 242, 252, 264, 280, 284, 308, 315, 330, 355, 360, 363, 385, 396, 420, 426, 440, 462, 484, 495, 497, 504, 568, 605, 616, 630, 639, 660, 693, 710, 726, 770, 781, 792, 840, 847, 852, 924, 968, 990, 994, 1065, 1089, 1155, 1210, 1260, 1278, 1320, 1386, 1420, 1452, 1491, 1540, 1562, 1694, 1704, 1815, 1848, 1980, 1988, 2130, 2178, 2310, 2343, 2420, 2485, 2520, 2541, 2556, 2772, 2840, 2904, 2982, 3080, 3124, 3195, 3388, 3465, 3630, 3905, 3960, 3976, 4235, 4260, 4356, 4473, 4620, 4686, 4840, 4970, 5082, 5112, 5445, 5467, 5544, 5964, 6248, 6390, 6776, 6930, 7029, 7260, 7455, 7623, 7810, 8470, 8520, 8591, 8712, 8946, 9240, 9372, 9940, 10164, 10890, 10934, 11715, 11928, 12705, 12780, 13860, 14058, 14520, 14910, 15246, 15620, 16401, 16940, 17182, 17892, 18744, 19880, 20328, 21780, 21868, 22365, 23430, 25410, 25560, 25773, 27335, 27720, 28116, 29820, 30492, 31240, 32802, 33880, 34364, 35145, 35784, 38115, 42955, 43560, 43736, 44730, 46860, 49203, 50820, 51546, 54670, 56232, 59640, 60137, 60984, 65604, 68728, 70290, 76230, 77319, 82005, 85910, 89460, 93720, 98406, 101640, 103092, 109340, 120274, 128865, 131208, 140580, 152460, 154638, 164010, 171820, 178920, 180411, 196812, 206184, 218680, 240548, 246015, 257730, 281160, 300685, 304920, 309276, 328020, 343640, 360822, 386595, 393624, 481096, 492030, 515460, 541233, 601370, 618552, 656040, 721644, 773190, 902055, 984060, 1030920, 1082466, 1202740, 1443288, 1546380, 1804110, 1968120, 2164932, 2405480, 2706165, 3092760, 3608220, 4329864, 5412330, 7216440, 10824660, 21649320]

約数ペア:

[(1, 21649320), (2, 10824660), (3, 7216440), (4, 5412330), (5, 4329864), (6, 3608220), (7, 3092760), (8, 2706165), (9, 2405480), (10, 2164932), (11, 1968120), (12, 1804110), (14, 1546380), (15, 1443288), (18, 1202740), (20, 1082466), (21, 1030920), (22, 984060), (24, 902055), (28, 773190), (30, 721644), (33, 656040), (35, 618552), (36, 601370), (40, 541233), (42, 515460), (44, 492030), (45, 481096), (55, 393624), (56, 386595), (60, 360822), (63, 343640), (66, 328020), (70, 309276), (71, 304920), (72, 300685), (77, 281160), (84, 257730), (88, 246015), (90, 240548), (99, 218680), (105, 206184), (110, 196812), (120, 180411), (121, 178920), (126, 171820), (132, 164010), (140, 154638), (142, 152460), (154, 140580), (165, 131208), (168, 128865), (180, 120274), (198, 109340), (210, 103092), (213, 101640), (220, 98406), (231, 93720), (242, 89460), (252, 85910), (264, 82005), (280, 77319), (284, 76230), (308, 70290), (315, 68728), (330, 65604), (355, 60984), (360, 60137), (363, 59640), (385, 56232), (396, 54670), (420, 51546), (426, 50820), (440, 49203), (462, 46860), (484, 44730), (495, 43736), (497, 43560), (504, 42955), (568, 38115), (605, 35784), (616, 35145), (630, 34364), (639, 33880), (660, 32802), (693, 31240), (710, 30492), (726, 29820), (770, 28116), (781, 27720), (792, 27335), (840, 25773), (847, 25560), (852, 25410), (924, 23430), (968, 22365), (990, 21868), (994, 21780), (1065, 20328), (1089, 19880), (1155, 18744), (1210, 17892), (1260, 17182), (1278, 16940), (1320, 16401), (1386, 15620), (1420, 15246), (1452, 14910), (1491, 14520), (1540, 14058), (1562, 13860), (1694, 12780), (1704, 12705), (1815, 11928), (1848, 11715), (1980, 10934), (1988, 10890), (2130, 10164), (2178, 9940), (2310, 9372), (2343, 9240), (2420, 8946), (2485, 8712), (2520, 8591), (2541, 8520), (2556, 8470), (2772, 7810), (2840, 7623), (2904, 7455), (2982, 7260), (3080, 7029), (3124, 6930), (3195, 6776), (3388, 6390), (3465, 6248), (3630, 5964), (3905, 5544), (3960, 5467), (3976, 5445), (4235, 5112), (4260, 5082), (4356, 4970), (4473, 4840), (4620, 4686)]