21584640

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1$

素因数の和:115

約数の個数: 288

約数和(自身を含む): 87123456

約数和(自身を除く): 65538816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 73, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 146, 154, 160, 165, 168, 176, 192, 210, 219, 220, 224, 231, 240, 256, 264, 280, 292, 308, 320, 330, 336, 352, 365, 384, 385, 420, 438, 440, 448, 462, 480, 511, 528, 560, 584, 616, 640, 660, 672, 704, 730, 768, 770, 803, 840, 876, 880, 896, 924, 960, 1022, 1056, 1095, 1120, 1155, 1168, 1232, 1280, 1320, 1344, 1408, 1460, 1533, 1540, 1606, 1680, 1752, 1760, 1792, 1848, 1920, 2044, 2112, 2190, 2240, 2310, 2336, 2409, 2464, 2555, 2640, 2688, 2816, 2920, 3066, 3080, 3212, 3360, 3504, 3520, 3696, 3840, 4015, 4088, 4224, 4380, 4480, 4620, 4672, 4818, 4928, 5110, 5280, 5376, 5621, 5840, 6132, 6160, 6424, 6720, 7008, 7040, 7392, 7665, 8030, 8176, 8448, 8760, 8960, 9240, 9344, 9636, 9856, 10220, 10560, 11242, 11680, 12045, 12264, 12320, 12848, 13440, 14016, 14080, 14784, 15330, 16060, 16352, 16863, 17520, 18480, 18688, 19272, 19712, 20440, 21120, 22484, 23360, 24090, 24528, 24640, 25696, 26880, 28032, 28105, 29568, 30660, 32120, 32704, 33726, 35040, 36960, 38544, 40880, 42240, 44968, 46720, 48180, 49056, 49280, 51392, 56064, 56210, 59136, 61320, 64240, 65408, 67452, 70080, 73920, 77088, 81760, 84315, 89936, 93440, 96360, 98112, 98560, 102784, 112420, 122640, 128480, 130816, 134904, 140160, 147840, 154176, 163520, 168630, 179872, 192720, 196224, 205568, 224840, 245280, 256960, 269808, 280320, 295680, 308352, 327040, 337260, 359744, 385440, 392448, 449680, 490560, 513920, 539616, 616704, 654080, 674520, 719488, 770880, 899360, 981120, 1027840, 1079232, 1349040, 1438976, 1541760, 1798720, 1962240, 2158464, 2698080, 3083520, 3597440, 4316928, 5396160, 7194880, 10792320, 21584640]

約数ペア:

[(1, 21584640), (2, 10792320), (3, 7194880), (4, 5396160), (5, 4316928), (6, 3597440), (7, 3083520), (8, 2698080), (10, 2158464), (11, 1962240), (12, 1798720), (14, 1541760), (15, 1438976), (16, 1349040), (20, 1079232), (21, 1027840), (22, 981120), (24, 899360), (28, 770880), (30, 719488), (32, 674520), (33, 654080), (35, 616704), (40, 539616), (42, 513920), (44, 490560), (48, 449680), (55, 392448), (56, 385440), (60, 359744), (64, 337260), (66, 327040), (70, 308352), (73, 295680), (77, 280320), (80, 269808), (84, 256960), (88, 245280), (96, 224840), (105, 205568), (110, 196224), (112, 192720), (120, 179872), (128, 168630), (132, 163520), (140, 154176), (146, 147840), (154, 140160), (160, 134904), (165, 130816), (168, 128480), (176, 122640), (192, 112420), (210, 102784), (219, 98560), (220, 98112), (224, 96360), (231, 93440), (240, 89936), (256, 84315), (264, 81760), (280, 77088), (292, 73920), (308, 70080), (320, 67452), (330, 65408), (336, 64240), (352, 61320), (365, 59136), (384, 56210), (385, 56064), (420, 51392), (438, 49280), (440, 49056), (448, 48180), (462, 46720), (480, 44968), (511, 42240), (528, 40880), (560, 38544), (584, 36960), (616, 35040), (640, 33726), (660, 32704), (672, 32120), (704, 30660), (730, 29568), (768, 28105), (770, 28032), (803, 26880), (840, 25696), (876, 24640), (880, 24528), (896, 24090), (924, 23360), (960, 22484), (1022, 21120), (1056, 20440), (1095, 19712), (1120, 19272), (1155, 18688), (1168, 18480), (1232, 17520), (1280, 16863), (1320, 16352), (1344, 16060), (1408, 15330), (1460, 14784), (1533, 14080), (1540, 14016), (1606, 13440), (1680, 12848), (1752, 12320), (1760, 12264), (1792, 12045), (1848, 11680), (1920, 11242), (2044, 10560), (2112, 10220), (2190, 9856), (2240, 9636), (2310, 9344), (2336, 9240), (2409, 8960), (2464, 8760), (2555, 8448), (2640, 8176), (2688, 8030), (2816, 7665), (2920, 7392), (3066, 7040), (3080, 7008), (3212, 6720), (3360, 6424), (3504, 6160), (3520, 6132), (3696, 5840), (3840, 5621), (4015, 5376), (4088, 5280), (4224, 5110), (4380, 4928), (4480, 4818), (4620, 4672)]