21538440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 384

約数和(自身を含む): 93571200

約数和(自身を除く): 72032760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 37, 40, 42, 44, 45, 49, 54, 55, 56, 60, 63, 66, 70, 72, 74, 77, 84, 88, 90, 98, 99, 105, 108, 110, 111, 120, 126, 132, 135, 140, 147, 148, 154, 165, 168, 180, 185, 189, 196, 198, 210, 216, 220, 222, 231, 245, 252, 259, 264, 270, 280, 294, 296, 297, 308, 315, 330, 333, 360, 370, 378, 385, 392, 396, 407, 420, 440, 441, 444, 462, 490, 495, 504, 518, 539, 540, 555, 588, 594, 616, 630, 660, 666, 693, 735, 740, 756, 770, 777, 792, 814, 840, 882, 888, 924, 945, 980, 990, 999, 1036, 1078, 1080, 1110, 1155, 1176, 1188, 1221, 1260, 1295, 1320, 1323, 1332, 1386, 1470, 1480, 1485, 1512, 1540, 1554, 1617, 1628, 1665, 1764, 1813, 1848, 1890, 1960, 1980, 1998, 2035, 2072, 2079, 2156, 2205, 2220, 2310, 2331, 2376, 2442, 2520, 2590, 2646, 2664, 2695, 2772, 2849, 2940, 2970, 3080, 3108, 3234, 3256, 3330, 3465, 3528, 3626, 3663, 3780, 3885, 3960, 3996, 4070, 4158, 4312, 4410, 4440, 4620, 4662, 4851, 4884, 4995, 5180, 5292, 5390, 5439, 5544, 5698, 5880, 5940, 6105, 6216, 6468, 6615, 6660, 6930, 6993, 7252, 7326, 7560, 7770, 7992, 8085, 8140, 8316, 8547, 8820, 9065, 9240, 9324, 9702, 9768, 9990, 10360, 10395, 10584, 10780, 10878, 10989, 11396, 11655, 11880, 12210, 12936, 13230, 13320, 13860, 13986, 14245, 14504, 14553, 14652, 15540, 16170, 16280, 16317, 16632, 17094, 17640, 18130, 18315, 18648, 19404, 19943, 19980, 20790, 21560, 21756, 21978, 22792, 23310, 24255, 24420, 25641, 26460, 27195, 27720, 27972, 28490, 29106, 29304, 31080, 32340, 32634, 34188, 34965, 36260, 36630, 38808, 39886, 39960, 41580, 42735, 43512, 43956, 46620, 48510, 48840, 48951, 51282, 52920, 54390, 54945, 55944, 56980, 58212, 59829, 64680, 65268, 68376, 69930, 72520, 72765, 73260, 76923, 79772, 81585, 83160, 85470, 87912, 93240, 97020, 97902, 99715, 102564, 108780, 109890, 113960, 116424, 119658, 128205, 130536, 139860, 145530, 146520, 153846, 159544, 163170, 170940, 179487, 194040, 195804, 199430, 205128, 217560, 219780, 239316, 244755, 256410, 279720, 291060, 299145, 307692, 326340, 341880, 358974, 384615, 391608, 398860, 439560, 478632, 489510, 512820, 538461, 582120, 598290, 615384, 652680, 717948, 769230, 797720, 897435, 979020, 1025640, 1076922, 1196580, 1435896, 1538460, 1794870, 1958040, 2153844, 2393160, 2692305, 3076920, 3589740, 4307688, 5384610, 7179480, 10769220, 21538440]

約数ペア:

[(1, 21538440), (2, 10769220), (3, 7179480), (4, 5384610), (5, 4307688), (6, 3589740), (7, 3076920), (8, 2692305), (9, 2393160), (10, 2153844), (11, 1958040), (12, 1794870), (14, 1538460), (15, 1435896), (18, 1196580), (20, 1076922), (21, 1025640), (22, 979020), (24, 897435), (27, 797720), (28, 769230), (30, 717948), (33, 652680), (35, 615384), (36, 598290), (37, 582120), (40, 538461), (42, 512820), (44, 489510), (45, 478632), (49, 439560), (54, 398860), (55, 391608), (56, 384615), (60, 358974), (63, 341880), (66, 326340), (70, 307692), (72, 299145), (74, 291060), (77, 279720), (84, 256410), (88, 244755), (90, 239316), (98, 219780), (99, 217560), (105, 205128), (108, 199430), (110, 195804), (111, 194040), (120, 179487), (126, 170940), (132, 163170), (135, 159544), (140, 153846), (147, 146520), (148, 145530), (154, 139860), (165, 130536), (168, 128205), (180, 119658), (185, 116424), (189, 113960), (196, 109890), (198, 108780), (210, 102564), (216, 99715), (220, 97902), (222, 97020), (231, 93240), (245, 87912), (252, 85470), (259, 83160), (264, 81585), (270, 79772), (280, 76923), (294, 73260), (296, 72765), (297, 72520), (308, 69930), (315, 68376), (330, 65268), (333, 64680), (360, 59829), (370, 58212), (378, 56980), (385, 55944), (392, 54945), (396, 54390), (407, 52920), (420, 51282), (440, 48951), (441, 48840), (444, 48510), (462, 46620), (490, 43956), (495, 43512), (504, 42735), (518, 41580), (539, 39960), (540, 39886), (555, 38808), (588, 36630), (594, 36260), (616, 34965), (630, 34188), (660, 32634), (666, 32340), (693, 31080), (735, 29304), (740, 29106), (756, 28490), (770, 27972), (777, 27720), (792, 27195), (814, 26460), (840, 25641), (882, 24420), (888, 24255), (924, 23310), (945, 22792), (980, 21978), (990, 21756), (999, 21560), (1036, 20790), (1078, 19980), (1080, 19943), (1110, 19404), (1155, 18648), (1176, 18315), (1188, 18130), (1221, 17640), (1260, 17094), (1295, 16632), (1320, 16317), (1323, 16280), (1332, 16170), (1386, 15540), (1470, 14652), (1480, 14553), (1485, 14504), (1512, 14245), (1540, 13986), (1554, 13860), (1617, 13320), (1628, 13230), (1665, 12936), (1764, 12210), (1813, 11880), (1848, 11655), (1890, 11396), (1960, 10989), (1980, 10878), (1998, 10780), (2035, 10584), (2072, 10395), (2079, 10360), (2156, 9990), (2205, 9768), (2220, 9702), (2310, 9324), (2331, 9240), (2376, 9065), (2442, 8820), (2520, 8547), (2590, 8316), (2646, 8140), (2664, 8085), (2695, 7992), (2772, 7770), (2849, 7560), (2940, 7326), (2970, 7252), (3080, 6993), (3108, 6930), (3234, 6660), (3256, 6615), (3330, 6468), (3465, 6216), (3528, 6105), (3626, 5940), (3663, 5880), (3780, 5698), (3885, 5544), (3960, 5439), (3996, 5390), (4070, 5292), (4158, 5180), (4312, 4995), (4410, 4884), (4440, 4851), (4620, 4662)]