21563640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 192

約数和(自身を含む): 82368000

約数和(自身を除く): 60804360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 56, 60, 63, 70, 72, 84, 86, 90, 105, 120, 126, 129, 140, 168, 172, 180, 199, 210, 215, 252, 258, 280, 301, 315, 344, 360, 387, 398, 420, 430, 504, 516, 597, 602, 630, 645, 774, 796, 840, 860, 903, 995, 1032, 1194, 1204, 1260, 1290, 1393, 1505, 1548, 1592, 1720, 1791, 1806, 1935, 1990, 2388, 2408, 2520, 2580, 2709, 2786, 2985, 3010, 3096, 3582, 3612, 3870, 3980, 4179, 4515, 4776, 5160, 5418, 5572, 5970, 6020, 6965, 7164, 7224, 7740, 7960, 8358, 8557, 8955, 9030, 10836, 11144, 11940, 12040, 12537, 13545, 13930, 14328, 15480, 16716, 17114, 17910, 18060, 20895, 21672, 23880, 25074, 25671, 27090, 27860, 33432, 34228, 35820, 36120, 41790, 42785, 50148, 51342, 54180, 55720, 59899, 62685, 68456, 71640, 77013, 83580, 85570, 100296, 102684, 108360, 119798, 125370, 128355, 154026, 167160, 171140, 179697, 205368, 239596, 250740, 256710, 299495, 308052, 342280, 359394, 385065, 479192, 501480, 513420, 539091, 598990, 616104, 718788, 770130, 898485, 1026840, 1078182, 1197980, 1437576, 1540260, 1796970, 2156364, 2395960, 2695455, 3080520, 3593940, 4312728, 5390910, 7187880, 10781820, 21563640]

約数ペア:

[(1, 21563640), (2, 10781820), (3, 7187880), (4, 5390910), (5, 4312728), (6, 3593940), (7, 3080520), (8, 2695455), (9, 2395960), (10, 2156364), (12, 1796970), (14, 1540260), (15, 1437576), (18, 1197980), (20, 1078182), (21, 1026840), (24, 898485), (28, 770130), (30, 718788), (35, 616104), (36, 598990), (40, 539091), (42, 513420), (43, 501480), (45, 479192), (56, 385065), (60, 359394), (63, 342280), (70, 308052), (72, 299495), (84, 256710), (86, 250740), (90, 239596), (105, 205368), (120, 179697), (126, 171140), (129, 167160), (140, 154026), (168, 128355), (172, 125370), (180, 119798), (199, 108360), (210, 102684), (215, 100296), (252, 85570), (258, 83580), (280, 77013), (301, 71640), (315, 68456), (344, 62685), (360, 59899), (387, 55720), (398, 54180), (420, 51342), (430, 50148), (504, 42785), (516, 41790), (597, 36120), (602, 35820), (630, 34228), (645, 33432), (774, 27860), (796, 27090), (840, 25671), (860, 25074), (903, 23880), (995, 21672), (1032, 20895), (1194, 18060), (1204, 17910), (1260, 17114), (1290, 16716), (1393, 15480), (1505, 14328), (1548, 13930), (1592, 13545), (1720, 12537), (1791, 12040), (1806, 11940), (1935, 11144), (1990, 10836), (2388, 9030), (2408, 8955), (2520, 8557), (2580, 8358), (2709, 7960), (2786, 7740), (2985, 7224), (3010, 7164), (3096, 6965), (3582, 6020), (3612, 5970), (3870, 5572), (3980, 5418), (4179, 5160), (4515, 4776)]