21183120

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{467}}^1$

素因数の和:499

約数の個数: 200

約数和(自身を含む): 84262464

約数和(自身を除く): 63079344

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, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 467, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 934, 945, 1008, 1080, 1134, 1260, 1296, 1401, 1512, 1620, 1680, 1868, 1890, 2160, 2268, 2335, 2520, 2802, 2835, 3024, 3240, 3269, 3736, 3780, 4203, 4536, 4670, 5040, 5604, 5670, 6480, 6538, 7005, 7472, 7560, 8406, 9072, 9340, 9807, 11208, 11340, 12609, 13076, 14010, 15120, 16345, 16812, 18680, 19614, 21015, 22416, 22680, 25218, 26152, 28020, 29421, 32690, 33624, 37360, 37827, 39228, 42030, 45360, 49035, 50436, 52304, 56040, 58842, 63045, 65380, 67248, 75654, 78456, 84060, 88263, 98070, 100872, 112080, 117684, 126090, 130760, 147105, 151308, 156912, 168120, 176526, 189135, 196140, 201744, 235368, 252180, 261520, 264789, 294210, 302616, 336240, 353052, 378270, 392280, 441315, 470736, 504360, 529578, 588420, 605232, 706104, 756540, 784560, 882630, 1008720, 1059156, 1176840, 1323945, 1412208, 1513080, 1765260, 2118312, 2353680, 2647890, 3026160, 3530520, 4236624, 5295780, 7061040, 10591560, 21183120]

約数ペア:

[(1, 21183120), (2, 10591560), (3, 7061040), (4, 5295780), (5, 4236624), (6, 3530520), (7, 3026160), (8, 2647890), (9, 2353680), (10, 2118312), (12, 1765260), (14, 1513080), (15, 1412208), (16, 1323945), (18, 1176840), (20, 1059156), (21, 1008720), (24, 882630), (27, 784560), (28, 756540), (30, 706104), (35, 605232), (36, 588420), (40, 529578), (42, 504360), (45, 470736), (48, 441315), (54, 392280), (56, 378270), (60, 353052), (63, 336240), (70, 302616), (72, 294210), (80, 264789), (81, 261520), (84, 252180), (90, 235368), (105, 201744), (108, 196140), (112, 189135), (120, 176526), (126, 168120), (135, 156912), (140, 151308), (144, 147105), (162, 130760), (168, 126090), (180, 117684), (189, 112080), (210, 100872), (216, 98070), (240, 88263), (252, 84060), (270, 78456), (280, 75654), (315, 67248), (324, 65380), (336, 63045), (360, 58842), (378, 56040), (405, 52304), (420, 50436), (432, 49035), (467, 45360), (504, 42030), (540, 39228), (560, 37827), (567, 37360), (630, 33624), (648, 32690), (720, 29421), (756, 28020), (810, 26152), (840, 25218), (934, 22680), (945, 22416), (1008, 21015), (1080, 19614), (1134, 18680), (1260, 16812), (1296, 16345), (1401, 15120), (1512, 14010), (1620, 13076), (1680, 12609), (1868, 11340), (1890, 11208), (2160, 9807), (2268, 9340), (2335, 9072), (2520, 8406), (2802, 7560), (2835, 7472), (3024, 7005), (3240, 6538), (3269, 6480), (3736, 5670), (3780, 5604), (4203, 5040), (4536, 4670)]