21339360

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 288

約数和(自身を含む): 87272640

約数和(自身を除く): 65933280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 73, 80, 84, 87, 90, 96, 105, 112, 116, 120, 126, 140, 144, 145, 146, 160, 168, 174, 180, 203, 210, 219, 224, 232, 240, 252, 261, 280, 288, 290, 292, 315, 336, 348, 360, 365, 406, 420, 435, 438, 464, 480, 504, 511, 522, 560, 580, 584, 609, 630, 657, 672, 696, 720, 730, 812, 840, 870, 876, 928, 1008, 1015, 1022, 1044, 1095, 1120, 1160, 1168, 1218, 1260, 1305, 1314, 1392, 1440, 1460, 1533, 1624, 1680, 1740, 1752, 1827, 2016, 2030, 2044, 2088, 2117, 2190, 2320, 2336, 2436, 2520, 2555, 2610, 2628, 2784, 2920, 3045, 3066, 3248, 3285, 3360, 3480, 3504, 3654, 4060, 4088, 4176, 4234, 4380, 4599, 4640, 4872, 5040, 5110, 5220, 5256, 5840, 6090, 6132, 6351, 6496, 6570, 6960, 7008, 7308, 7665, 8120, 8176, 8352, 8468, 8760, 9135, 9198, 9744, 10080, 10220, 10440, 10512, 10585, 11680, 12180, 12264, 12702, 13140, 13920, 14616, 14819, 15330, 16240, 16352, 16936, 17520, 18270, 18396, 19053, 19488, 20440, 20880, 21024, 21170, 22995, 24360, 24528, 25404, 26280, 29232, 29638, 30660, 31755, 32480, 33872, 35040, 36540, 36792, 38106, 40880, 41760, 42340, 44457, 45990, 48720, 49056, 50808, 52560, 58464, 59276, 61320, 63510, 67744, 73080, 73584, 74095, 76212, 81760, 84680, 88914, 91980, 95265, 97440, 101616, 105120, 118552, 122640, 127020, 133371, 146160, 147168, 148190, 152424, 169360, 177828, 183960, 190530, 203232, 222285, 237104, 245280, 254040, 266742, 292320, 296380, 304848, 338720, 355656, 367920, 381060, 444570, 474208, 508080, 533484, 592760, 609696, 666855, 711312, 735840, 762120, 889140, 1016160, 1066968, 1185520, 1333710, 1422624, 1524240, 1778280, 2133936, 2371040, 2667420, 3048480, 3556560, 4267872, 5334840, 7113120, 10669680, 21339360]

約数ペア:

[(1, 21339360), (2, 10669680), (3, 7113120), (4, 5334840), (5, 4267872), (6, 3556560), (7, 3048480), (8, 2667420), (9, 2371040), (10, 2133936), (12, 1778280), (14, 1524240), (15, 1422624), (16, 1333710), (18, 1185520), (20, 1066968), (21, 1016160), (24, 889140), (28, 762120), (29, 735840), (30, 711312), (32, 666855), (35, 609696), (36, 592760), (40, 533484), (42, 508080), (45, 474208), (48, 444570), (56, 381060), (58, 367920), (60, 355656), (63, 338720), (70, 304848), (72, 296380), (73, 292320), (80, 266742), (84, 254040), (87, 245280), (90, 237104), (96, 222285), (105, 203232), (112, 190530), (116, 183960), (120, 177828), (126, 169360), (140, 152424), (144, 148190), (145, 147168), (146, 146160), (160, 133371), (168, 127020), (174, 122640), (180, 118552), (203, 105120), (210, 101616), (219, 97440), (224, 95265), (232, 91980), (240, 88914), (252, 84680), (261, 81760), (280, 76212), (288, 74095), (290, 73584), (292, 73080), (315, 67744), (336, 63510), (348, 61320), (360, 59276), (365, 58464), (406, 52560), (420, 50808), (435, 49056), (438, 48720), (464, 45990), (480, 44457), (504, 42340), (511, 41760), (522, 40880), (560, 38106), (580, 36792), (584, 36540), (609, 35040), (630, 33872), (657, 32480), (672, 31755), (696, 30660), (720, 29638), (730, 29232), (812, 26280), (840, 25404), (870, 24528), (876, 24360), (928, 22995), (1008, 21170), (1015, 21024), (1022, 20880), (1044, 20440), (1095, 19488), (1120, 19053), (1160, 18396), (1168, 18270), (1218, 17520), (1260, 16936), (1305, 16352), (1314, 16240), (1392, 15330), (1440, 14819), (1460, 14616), (1533, 13920), (1624, 13140), (1680, 12702), (1740, 12264), (1752, 12180), (1827, 11680), (2016, 10585), (2030, 10512), (2044, 10440), (2088, 10220), (2117, 10080), (2190, 9744), (2320, 9198), (2336, 9135), (2436, 8760), (2520, 8468), (2555, 8352), (2610, 8176), (2628, 8120), (2784, 7665), (2920, 7308), (3045, 7008), (3066, 6960), (3248, 6570), (3285, 6496), (3360, 6351), (3480, 6132), (3504, 6090), (3654, 5840), (4060, 5256), (4088, 5220), (4176, 5110), (4234, 5040), (4380, 4872), (4599, 4640)]