21001200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 240

約数和(自身を含む): 77126016

約数和(自身を除く): 56124816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 37, 40, 43, 44, 48, 50, 55, 60, 66, 74, 75, 80, 86, 88, 100, 110, 111, 120, 129, 132, 148, 150, 165, 172, 176, 185, 200, 215, 220, 222, 240, 258, 264, 275, 296, 300, 330, 344, 370, 400, 407, 430, 440, 444, 473, 516, 528, 550, 555, 592, 600, 645, 660, 688, 740, 814, 825, 860, 880, 888, 925, 946, 1032, 1075, 1100, 1110, 1200, 1221, 1290, 1320, 1419, 1480, 1591, 1628, 1650, 1720, 1776, 1850, 1892, 2035, 2064, 2150, 2200, 2220, 2365, 2442, 2580, 2640, 2775, 2838, 2960, 3182, 3225, 3256, 3300, 3440, 3700, 3784, 4070, 4300, 4400, 4440, 4730, 4773, 4884, 5160, 5550, 5676, 6105, 6364, 6450, 6512, 6600, 7095, 7400, 7568, 7955, 8140, 8600, 8880, 9460, 9546, 9768, 10175, 10320, 11100, 11352, 11825, 12210, 12728, 12900, 13200, 14190, 14800, 15910, 16280, 17200, 17501, 18920, 19092, 19536, 20350, 22200, 22704, 23650, 23865, 24420, 25456, 25800, 28380, 30525, 31820, 32560, 35002, 35475, 37840, 38184, 39775, 40700, 44400, 47300, 47730, 48840, 51600, 52503, 56760, 61050, 63640, 70004, 70950, 76368, 79550, 81400, 87505, 94600, 95460, 97680, 105006, 113520, 119325, 122100, 127280, 140008, 141900, 159100, 162800, 175010, 189200, 190920, 210012, 238650, 244200, 262515, 280016, 283800, 318200, 350020, 381840, 420024, 437525, 477300, 488400, 525030, 567600, 636400, 700040, 840048, 875050, 954600, 1050060, 1312575, 1400080, 1750100, 1909200, 2100120, 2625150, 3500200, 4200240, 5250300, 7000400, 10500600, 21001200]

約数ペア:

[(1, 21001200), (2, 10500600), (3, 7000400), (4, 5250300), (5, 4200240), (6, 3500200), (8, 2625150), (10, 2100120), (11, 1909200), (12, 1750100), (15, 1400080), (16, 1312575), (20, 1050060), (22, 954600), (24, 875050), (25, 840048), (30, 700040), (33, 636400), (37, 567600), (40, 525030), (43, 488400), (44, 477300), (48, 437525), (50, 420024), (55, 381840), (60, 350020), (66, 318200), (74, 283800), (75, 280016), (80, 262515), (86, 244200), (88, 238650), (100, 210012), (110, 190920), (111, 189200), (120, 175010), (129, 162800), (132, 159100), (148, 141900), (150, 140008), (165, 127280), (172, 122100), (176, 119325), (185, 113520), (200, 105006), (215, 97680), (220, 95460), (222, 94600), (240, 87505), (258, 81400), (264, 79550), (275, 76368), (296, 70950), (300, 70004), (330, 63640), (344, 61050), (370, 56760), (400, 52503), (407, 51600), (430, 48840), (440, 47730), (444, 47300), (473, 44400), (516, 40700), (528, 39775), (550, 38184), (555, 37840), (592, 35475), (600, 35002), (645, 32560), (660, 31820), (688, 30525), (740, 28380), (814, 25800), (825, 25456), (860, 24420), (880, 23865), (888, 23650), (925, 22704), (946, 22200), (1032, 20350), (1075, 19536), (1100, 19092), (1110, 18920), (1200, 17501), (1221, 17200), (1290, 16280), (1320, 15910), (1419, 14800), (1480, 14190), (1591, 13200), (1628, 12900), (1650, 12728), (1720, 12210), (1776, 11825), (1850, 11352), (1892, 11100), (2035, 10320), (2064, 10175), (2150, 9768), (2200, 9546), (2220, 9460), (2365, 8880), (2442, 8600), (2580, 8140), (2640, 7955), (2775, 7568), (2838, 7400), (2960, 7095), (3182, 6600), (3225, 6512), (3256, 6450), (3300, 6364), (3440, 6105), (3700, 5676), (3784, 5550), (4070, 5160), (4300, 4884), (4400, 4773), (4440, 4730)]