21146832

素因数分解:

$2^4\times 3^6\times 7^2\times {\mathrm{37}}^1$

素因数の和:77

約数の個数: 210

約数和(自身を含む): 73390578

約数和(自身を除く): 52243746

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 37, 42, 48, 49, 54, 56, 63, 72, 74, 81, 84, 98, 108, 111, 112, 126, 144, 147, 148, 162, 168, 189, 196, 216, 222, 243, 252, 259, 294, 296, 324, 333, 336, 378, 392, 432, 441, 444, 486, 504, 518, 567, 588, 592, 648, 666, 729, 756, 777, 784, 882, 888, 972, 999, 1008, 1036, 1134, 1176, 1296, 1323, 1332, 1458, 1512, 1554, 1701, 1764, 1776, 1813, 1944, 1998, 2072, 2268, 2331, 2352, 2646, 2664, 2916, 2997, 3024, 3108, 3402, 3528, 3626, 3888, 3969, 3996, 4144, 4536, 4662, 5103, 5292, 5328, 5439, 5832, 5994, 6216, 6804, 6993, 7056, 7252, 7938, 7992, 8991, 9072, 9324, 10206, 10584, 10878, 11664, 11907, 11988, 12432, 13608, 13986, 14504, 15876, 15984, 16317, 17982, 18648, 20412, 20979, 21168, 21756, 23814, 23976, 26973, 27216, 27972, 29008, 31752, 32634, 35721, 35964, 37296, 40824, 41958, 43512, 47628, 47952, 48951, 53946, 55944, 62937, 63504, 65268, 71442, 71928, 81648, 83916, 87024, 95256, 97902, 107892, 111888, 125874, 130536, 142884, 143856, 146853, 167832, 188811, 190512, 195804, 215784, 251748, 261072, 285768, 293706, 335664, 377622, 391608, 431568, 440559, 503496, 571536, 587412, 755244, 783216, 881118, 1006992, 1174824, 1321677, 1510488, 1762236, 2349648, 2643354, 3020976, 3524472, 5286708, 7048944, 10573416, 21146832]

約数ペア:

[(1, 21146832), (2, 10573416), (3, 7048944), (4, 5286708), (6, 3524472), (7, 3020976), (8, 2643354), (9, 2349648), (12, 1762236), (14, 1510488), (16, 1321677), (18, 1174824), (21, 1006992), (24, 881118), (27, 783216), (28, 755244), (36, 587412), (37, 571536), (42, 503496), (48, 440559), (49, 431568), (54, 391608), (56, 377622), (63, 335664), (72, 293706), (74, 285768), (81, 261072), (84, 251748), (98, 215784), (108, 195804), (111, 190512), (112, 188811), (126, 167832), (144, 146853), (147, 143856), (148, 142884), (162, 130536), (168, 125874), (189, 111888), (196, 107892), (216, 97902), (222, 95256), (243, 87024), (252, 83916), (259, 81648), (294, 71928), (296, 71442), (324, 65268), (333, 63504), (336, 62937), (378, 55944), (392, 53946), (432, 48951), (441, 47952), (444, 47628), (486, 43512), (504, 41958), (518, 40824), (567, 37296), (588, 35964), (592, 35721), (648, 32634), (666, 31752), (729, 29008), (756, 27972), (777, 27216), (784, 26973), (882, 23976), (888, 23814), (972, 21756), (999, 21168), (1008, 20979), (1036, 20412), (1134, 18648), (1176, 17982), (1296, 16317), (1323, 15984), (1332, 15876), (1458, 14504), (1512, 13986), (1554, 13608), (1701, 12432), (1764, 11988), (1776, 11907), (1813, 11664), (1944, 10878), (1998, 10584), (2072, 10206), (2268, 9324), (2331, 9072), (2352, 8991), (2646, 7992), (2664, 7938), (2916, 7252), (2997, 7056), (3024, 6993), (3108, 6804), (3402, 6216), (3528, 5994), (3626, 5832), (3888, 5439), (3969, 5328), (3996, 5292), (4144, 5103), (4536, 4662)]