21516754560

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{228707}}^1$

素因数の和:228743

約数の個数: 192

約数和(自身を含む): 79782498720

約数和(自身を除く): 58265744160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3920, 4480, 4704, 5880, 6272, 6720, 7840, 9408, 11760, 13440, 15680, 18816, 23520, 31360, 47040, 94080, 228707, 457414, 686121, 914828, 1143535, 1372242, 1600949, 1829656, 2287070, 2744484, 3201898, 3430605, 3659312, 4574140, 4802847, 5488968, 6403796, 6861210, 7318624, 8004745, 9148280, 9605694, 10977936, 11206643, 12807592, 13722420, 14637248, 16009490, 18296560, 19211388, 21955872, 22413286, 24014235, 25615184, 27444840, 29274496, 32018980, 33619929, 36593120, 38422776, 43911744, 44826572, 48028470, 51230368, 54889680, 56033215, 64037960, 67239858, 73186240, 76845552, 87823488, 89653144, 96056940, 102460736, 109779360, 112066430, 128075920, 134479716, 146372480, 153691104, 168099645, 179306288, 192113880, 204921472, 219558720, 224132860, 256151840, 268959432, 307382208, 336199290, 358612576, 384227760, 439117440, 448265720, 512303680, 537918864, 614764416, 672398580, 717225152, 768455520, 896531440, 1024607360, 1075837728, 1344797160, 1434450304, 1536911040, 1793062880, 2151675456, 2689594320, 3073822080, 3586125760, 4303350912, 5379188640, 7172251520, 10758377280, 21516754560]

約数ペア:

[(1, 21516754560), (2, 10758377280), (3, 7172251520), (4, 5379188640), (5, 4303350912), (6, 3586125760), (7, 3073822080), (8, 2689594320), (10, 2151675456), (12, 1793062880), (14, 1536911040), (15, 1434450304), (16, 1344797160), (20, 1075837728), (21, 1024607360), (24, 896531440), (28, 768455520), (30, 717225152), (32, 672398580), (35, 614764416), (40, 537918864), (42, 512303680), (48, 448265720), (49, 439117440), (56, 384227760), (60, 358612576), (64, 336199290), (70, 307382208), (80, 268959432), (84, 256151840), (96, 224132860), (98, 219558720), (105, 204921472), (112, 192113880), (120, 179306288), (128, 168099645), (140, 153691104), (147, 146372480), (160, 134479716), (168, 128075920), (192, 112066430), (196, 109779360), (210, 102460736), (224, 96056940), (240, 89653144), (245, 87823488), (280, 76845552), (294, 73186240), (320, 67239858), (336, 64037960), (384, 56033215), (392, 54889680), (420, 51230368), (448, 48028470), (480, 44826572), (490, 43911744), (560, 38422776), (588, 36593120), (640, 33619929), (672, 32018980), (735, 29274496), (784, 27444840), (840, 25615184), (896, 24014235), (960, 22413286), (980, 21955872), (1120, 19211388), (1176, 18296560), (1344, 16009490), (1470, 14637248), (1568, 13722420), (1680, 12807592), (1920, 11206643), (1960, 10977936), (2240, 9605694), (2352, 9148280), (2688, 8004745), (2940, 7318624), (3136, 6861210), (3360, 6403796), (3920, 5488968), (4480, 4802847), (4704, 4574140), (5880, 3659312), (6272, 3430605), (6720, 3201898), (7840, 2744484), (9408, 2287070), (11760, 1829656), (13440, 1600949), (15680, 1372242), (18816, 1143535), (23520, 914828), (31360, 686121), (47040, 457414), (94080, 228707)]