21116160

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 288

約数和(自身を含む): 82414080

約数和(自身を除く): 61297920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 47, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 94, 96, 104, 108, 117, 120, 128, 130, 135, 141, 144, 156, 160, 180, 188, 192, 195, 208, 216, 234, 235, 240, 256, 260, 270, 282, 288, 312, 320, 351, 360, 376, 384, 390, 416, 423, 432, 468, 470, 480, 520, 540, 564, 576, 585, 611, 624, 640, 702, 705, 720, 752, 768, 780, 832, 846, 864, 936, 940, 960, 1040, 1080, 1128, 1152, 1170, 1222, 1248, 1269, 1280, 1404, 1410, 1440, 1504, 1560, 1664, 1692, 1728, 1755, 1833, 1872, 1880, 1920, 2080, 2115, 2160, 2256, 2304, 2340, 2444, 2496, 2538, 2808, 2820, 2880, 3008, 3055, 3120, 3328, 3384, 3456, 3510, 3666, 3744, 3760, 3840, 4160, 4230, 4320, 4512, 4680, 4888, 4992, 5076, 5499, 5616, 5640, 5760, 6016, 6110, 6240, 6345, 6768, 6912, 7020, 7332, 7488, 7520, 8320, 8460, 8640, 9024, 9165, 9360, 9776, 9984, 10152, 10998, 11232, 11280, 11520, 12032, 12220, 12480, 12690, 13536, 14040, 14664, 14976, 15040, 16497, 16640, 16920, 17280, 18048, 18330, 18720, 19552, 20304, 21996, 22464, 22560, 24440, 24960, 25380, 27072, 27495, 28080, 29328, 29952, 30080, 32994, 33840, 34560, 36096, 36660, 37440, 39104, 40608, 43992, 44928, 45120, 48880, 49920, 50760, 54144, 54990, 56160, 58656, 60160, 65988, 67680, 73320, 74880, 78208, 81216, 82485, 87984, 89856, 90240, 97760, 101520, 108288, 109980, 112320, 117312, 131976, 135360, 146640, 149760, 156416, 162432, 164970, 175968, 180480, 195520, 203040, 219960, 224640, 234624, 263952, 270720, 293280, 324864, 329940, 351936, 391040, 406080, 439920, 449280, 469248, 527904, 541440, 586560, 659880, 703872, 782080, 812160, 879840, 1055808, 1173120, 1319760, 1407744, 1624320, 1759680, 2111616, 2346240, 2639520, 3519360, 4223232, 5279040, 7038720, 10558080, 21116160]

約数ペア:

[(1, 21116160), (2, 10558080), (3, 7038720), (4, 5279040), (5, 4223232), (6, 3519360), (8, 2639520), (9, 2346240), (10, 2111616), (12, 1759680), (13, 1624320), (15, 1407744), (16, 1319760), (18, 1173120), (20, 1055808), (24, 879840), (26, 812160), (27, 782080), (30, 703872), (32, 659880), (36, 586560), (39, 541440), (40, 527904), (45, 469248), (47, 449280), (48, 439920), (52, 406080), (54, 391040), (60, 351936), (64, 329940), (65, 324864), (72, 293280), (78, 270720), (80, 263952), (90, 234624), (94, 224640), (96, 219960), (104, 203040), (108, 195520), (117, 180480), (120, 175968), (128, 164970), (130, 162432), (135, 156416), (141, 149760), (144, 146640), (156, 135360), (160, 131976), (180, 117312), (188, 112320), (192, 109980), (195, 108288), (208, 101520), (216, 97760), (234, 90240), (235, 89856), (240, 87984), (256, 82485), (260, 81216), (270, 78208), (282, 74880), (288, 73320), (312, 67680), (320, 65988), (351, 60160), (360, 58656), (376, 56160), (384, 54990), (390, 54144), (416, 50760), (423, 49920), (432, 48880), (468, 45120), (470, 44928), (480, 43992), (520, 40608), (540, 39104), (564, 37440), (576, 36660), (585, 36096), (611, 34560), (624, 33840), (640, 32994), (702, 30080), (705, 29952), (720, 29328), (752, 28080), (768, 27495), (780, 27072), (832, 25380), (846, 24960), (864, 24440), (936, 22560), (940, 22464), (960, 21996), (1040, 20304), (1080, 19552), (1128, 18720), (1152, 18330), (1170, 18048), (1222, 17280), (1248, 16920), (1269, 16640), (1280, 16497), (1404, 15040), (1410, 14976), (1440, 14664), (1504, 14040), (1560, 13536), (1664, 12690), (1692, 12480), (1728, 12220), (1755, 12032), (1833, 11520), (1872, 11280), (1880, 11232), (1920, 10998), (2080, 10152), (2115, 9984), (2160, 9776), (2256, 9360), (2304, 9165), (2340, 9024), (2444, 8640), (2496, 8460), (2538, 8320), (2808, 7520), (2820, 7488), (2880, 7332), (3008, 7020), (3055, 6912), (3120, 6768), (3328, 6345), (3384, 6240), (3456, 6110), (3510, 6016), (3666, 5760), (3744, 5640), (3760, 5616), (3840, 5499), (4160, 5076), (4230, 4992), (4320, 4888), (4512, 4680)]