21062160

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{199}}^1$

素因数の和:235

約数の個数: 240

約数和(自身を含む): 84816000

約数和(自身を除く): 63753840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 199, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 398, 420, 432, 441, 490, 504, 540, 560, 588, 597, 630, 720, 735, 756, 784, 796, 840, 882, 945, 980, 995, 1008, 1080, 1176, 1194, 1260, 1323, 1393, 1470, 1512, 1592, 1680, 1764, 1791, 1890, 1960, 1990, 2160, 2205, 2352, 2388, 2520, 2646, 2786, 2940, 2985, 3024, 3184, 3528, 3582, 3780, 3920, 3980, 4179, 4410, 4776, 5040, 5292, 5373, 5572, 5880, 5970, 6615, 6965, 7056, 7164, 7560, 7960, 8358, 8820, 8955, 9552, 9751, 10584, 10746, 11144, 11760, 11940, 12537, 13230, 13930, 14328, 15120, 15920, 16716, 17640, 17910, 19502, 20895, 21168, 21492, 22288, 23880, 25074, 26460, 26865, 27860, 28656, 29253, 33432, 35280, 35820, 37611, 39004, 41790, 42984, 47760, 48755, 50148, 52920, 53730, 55720, 58506, 62685, 66864, 71640, 75222, 78008, 83580, 85968, 87759, 97510, 100296, 105840, 107460, 111440, 117012, 125370, 143280, 146265, 150444, 156016, 167160, 175518, 188055, 195020, 200592, 214920, 234024, 250740, 263277, 292530, 300888, 334320, 351036, 376110, 390040, 429840, 438795, 468048, 501480, 526554, 585060, 601776, 702072, 752220, 780080, 877590, 1002960, 1053108, 1170120, 1316385, 1404144, 1504440, 1755180, 2106216, 2340240, 2632770, 3008880, 3510360, 4212432, 5265540, 7020720, 10531080, 21062160]

約数ペア:

[(1, 21062160), (2, 10531080), (3, 7020720), (4, 5265540), (5, 4212432), (6, 3510360), (7, 3008880), (8, 2632770), (9, 2340240), (10, 2106216), (12, 1755180), (14, 1504440), (15, 1404144), (16, 1316385), (18, 1170120), (20, 1053108), (21, 1002960), (24, 877590), (27, 780080), (28, 752220), (30, 702072), (35, 601776), (36, 585060), (40, 526554), (42, 501480), (45, 468048), (48, 438795), (49, 429840), (54, 390040), (56, 376110), (60, 351036), (63, 334320), (70, 300888), (72, 292530), (80, 263277), (84, 250740), (90, 234024), (98, 214920), (105, 200592), (108, 195020), (112, 188055), (120, 175518), (126, 167160), (135, 156016), (140, 150444), (144, 146265), (147, 143280), (168, 125370), (180, 117012), (189, 111440), (196, 107460), (199, 105840), (210, 100296), (216, 97510), (240, 87759), (245, 85968), (252, 83580), (270, 78008), (280, 75222), (294, 71640), (315, 66864), (336, 62685), (360, 58506), (378, 55720), (392, 53730), (398, 52920), (420, 50148), (432, 48755), (441, 47760), (490, 42984), (504, 41790), (540, 39004), (560, 37611), (588, 35820), (597, 35280), (630, 33432), (720, 29253), (735, 28656), (756, 27860), (784, 26865), (796, 26460), (840, 25074), (882, 23880), (945, 22288), (980, 21492), (995, 21168), (1008, 20895), (1080, 19502), (1176, 17910), (1194, 17640), (1260, 16716), (1323, 15920), (1393, 15120), (1470, 14328), (1512, 13930), (1592, 13230), (1680, 12537), (1764, 11940), (1791, 11760), (1890, 11144), (1960, 10746), (1990, 10584), (2160, 9751), (2205, 9552), (2352, 8955), (2388, 8820), (2520, 8358), (2646, 7960), (2786, 7560), (2940, 7164), (2985, 7056), (3024, 6965), (3184, 6615), (3528, 5970), (3582, 5880), (3780, 5572), (3920, 5373), (3980, 5292), (4179, 5040), (4410, 4776)]