21114720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 288

約数和(自身を含む): 83026944

約数和(自身を除く): 61912224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 32, 33, 36, 40, 43, 44, 45, 48, 55, 60, 62, 66, 72, 80, 86, 88, 90, 93, 96, 99, 110, 120, 124, 129, 132, 144, 155, 160, 165, 172, 176, 180, 186, 198, 215, 220, 240, 248, 258, 264, 279, 288, 310, 330, 341, 344, 352, 360, 372, 387, 396, 430, 440, 465, 473, 480, 495, 496, 516, 528, 558, 620, 645, 660, 682, 688, 720, 744, 774, 792, 860, 880, 930, 946, 990, 992, 1023, 1032, 1056, 1116, 1240, 1290, 1320, 1333, 1364, 1376, 1395, 1419, 1440, 1488, 1548, 1584, 1705, 1720, 1760, 1860, 1892, 1935, 1980, 2046, 2064, 2232, 2365, 2480, 2580, 2640, 2666, 2728, 2790, 2838, 2976, 3069, 3096, 3168, 3410, 3440, 3720, 3784, 3870, 3960, 3999, 4092, 4128, 4257, 4464, 4730, 4960, 5115, 5160, 5280, 5332, 5456, 5580, 5676, 6138, 6192, 6665, 6820, 6880, 7095, 7440, 7568, 7740, 7920, 7998, 8184, 8514, 8928, 9460, 10230, 10320, 10664, 10912, 11160, 11352, 11997, 12276, 12384, 13330, 13640, 14190, 14663, 14880, 15136, 15345, 15480, 15840, 15996, 16368, 17028, 18920, 19995, 20460, 20640, 21285, 21328, 22320, 22704, 23994, 24552, 26660, 27280, 28380, 29326, 30690, 30960, 31992, 32736, 34056, 37840, 39990, 40920, 42570, 42656, 43989, 44640, 45408, 47988, 49104, 53320, 54560, 56760, 58652, 59985, 61380, 61920, 63984, 68112, 73315, 75680, 79980, 81840, 85140, 87978, 95976, 98208, 106640, 113520, 117304, 119970, 122760, 127968, 131967, 136224, 146630, 159960, 163680, 170280, 175956, 191952, 213280, 219945, 227040, 234608, 239940, 245520, 263934, 293260, 319920, 340560, 351912, 383904, 439890, 469216, 479880, 491040, 527868, 586520, 639840, 659835, 681120, 703824, 879780, 959760, 1055736, 1173040, 1319670, 1407648, 1759560, 1919520, 2111472, 2346080, 2639340, 3519120, 4222944, 5278680, 7038240, 10557360, 21114720]

約数ペア:

[(1, 21114720), (2, 10557360), (3, 7038240), (4, 5278680), (5, 4222944), (6, 3519120), (8, 2639340), (9, 2346080), (10, 2111472), (11, 1919520), (12, 1759560), (15, 1407648), (16, 1319670), (18, 1173040), (20, 1055736), (22, 959760), (24, 879780), (30, 703824), (31, 681120), (32, 659835), (33, 639840), (36, 586520), (40, 527868), (43, 491040), (44, 479880), (45, 469216), (48, 439890), (55, 383904), (60, 351912), (62, 340560), (66, 319920), (72, 293260), (80, 263934), (86, 245520), (88, 239940), (90, 234608), (93, 227040), (96, 219945), (99, 213280), (110, 191952), (120, 175956), (124, 170280), (129, 163680), (132, 159960), (144, 146630), (155, 136224), (160, 131967), (165, 127968), (172, 122760), (176, 119970), (180, 117304), (186, 113520), (198, 106640), (215, 98208), (220, 95976), (240, 87978), (248, 85140), (258, 81840), (264, 79980), (279, 75680), (288, 73315), (310, 68112), (330, 63984), (341, 61920), (344, 61380), (352, 59985), (360, 58652), (372, 56760), (387, 54560), (396, 53320), (430, 49104), (440, 47988), (465, 45408), (473, 44640), (480, 43989), (495, 42656), (496, 42570), (516, 40920), (528, 39990), (558, 37840), (620, 34056), (645, 32736), (660, 31992), (682, 30960), (688, 30690), (720, 29326), (744, 28380), (774, 27280), (792, 26660), (860, 24552), (880, 23994), (930, 22704), (946, 22320), (990, 21328), (992, 21285), (1023, 20640), (1032, 20460), (1056, 19995), (1116, 18920), (1240, 17028), (1290, 16368), (1320, 15996), (1333, 15840), (1364, 15480), (1376, 15345), (1395, 15136), (1419, 14880), (1440, 14663), (1488, 14190), (1548, 13640), (1584, 13330), (1705, 12384), (1720, 12276), (1760, 11997), (1860, 11352), (1892, 11160), (1935, 10912), (1980, 10664), (2046, 10320), (2064, 10230), (2232, 9460), (2365, 8928), (2480, 8514), (2580, 8184), (2640, 7998), (2666, 7920), (2728, 7740), (2790, 7568), (2838, 7440), (2976, 7095), (3069, 6880), (3096, 6820), (3168, 6665), (3410, 6192), (3440, 6138), (3720, 5676), (3784, 5580), (3870, 5456), (3960, 5332), (3999, 5280), (4092, 5160), (4128, 5115), (4257, 4960), (4464, 4730)]