21507360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 79978752

約数和(自身を除く): 58471392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 96, 105, 111, 112, 120, 140, 148, 160, 168, 173, 185, 210, 222, 224, 240, 259, 280, 296, 336, 346, 370, 420, 444, 480, 518, 519, 555, 560, 592, 672, 692, 740, 777, 840, 865, 888, 1036, 1038, 1110, 1120, 1184, 1211, 1295, 1384, 1480, 1554, 1680, 1730, 1776, 2072, 2076, 2220, 2422, 2590, 2595, 2768, 2960, 3108, 3360, 3460, 3552, 3633, 3885, 4144, 4152, 4440, 4844, 5180, 5190, 5536, 5920, 6055, 6216, 6401, 6920, 7266, 7770, 8288, 8304, 8880, 9688, 10360, 10380, 12110, 12432, 12802, 13840, 14532, 15540, 16608, 17760, 18165, 19203, 19376, 20720, 20760, 24220, 24864, 25604, 27680, 29064, 31080, 32005, 36330, 38406, 38752, 41440, 41520, 44807, 48440, 51208, 58128, 62160, 64010, 72660, 76812, 83040, 89614, 96015, 96880, 102416, 116256, 124320, 128020, 134421, 145320, 153624, 179228, 192030, 193760, 204832, 224035, 256040, 268842, 290640, 307248, 358456, 384060, 448070, 512080, 537684, 581280, 614496, 672105, 716912, 768120, 896140, 1024160, 1075368, 1344210, 1433824, 1536240, 1792280, 2150736, 2688420, 3072480, 3584560, 4301472, 5376840, 7169120, 10753680, 21507360]

約数ペア:

[(1, 21507360), (2, 10753680), (3, 7169120), (4, 5376840), (5, 4301472), (6, 3584560), (7, 3072480), (8, 2688420), (10, 2150736), (12, 1792280), (14, 1536240), (15, 1433824), (16, 1344210), (20, 1075368), (21, 1024160), (24, 896140), (28, 768120), (30, 716912), (32, 672105), (35, 614496), (37, 581280), (40, 537684), (42, 512080), (48, 448070), (56, 384060), (60, 358456), (70, 307248), (74, 290640), (80, 268842), (84, 256040), (96, 224035), (105, 204832), (111, 193760), (112, 192030), (120, 179228), (140, 153624), (148, 145320), (160, 134421), (168, 128020), (173, 124320), (185, 116256), (210, 102416), (222, 96880), (224, 96015), (240, 89614), (259, 83040), (280, 76812), (296, 72660), (336, 64010), (346, 62160), (370, 58128), (420, 51208), (444, 48440), (480, 44807), (518, 41520), (519, 41440), (555, 38752), (560, 38406), (592, 36330), (672, 32005), (692, 31080), (740, 29064), (777, 27680), (840, 25604), (865, 24864), (888, 24220), (1036, 20760), (1038, 20720), (1110, 19376), (1120, 19203), (1184, 18165), (1211, 17760), (1295, 16608), (1384, 15540), (1480, 14532), (1554, 13840), (1680, 12802), (1730, 12432), (1776, 12110), (2072, 10380), (2076, 10360), (2220, 9688), (2422, 8880), (2590, 8304), (2595, 8288), (2768, 7770), (2960, 7266), (3108, 6920), (3360, 6401), (3460, 6216), (3552, 6055), (3633, 5920), (3885, 5536), (4144, 5190), (4152, 5180), (4440, 4844)]