21162708

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 180

約数和(自身を含む): 67976832

約数和(自身を除く): 46814124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 43, 49, 54, 62, 63, 81, 84, 86, 93, 98, 108, 124, 126, 129, 147, 162, 172, 186, 189, 196, 217, 252, 258, 279, 294, 301, 324, 372, 378, 387, 434, 441, 516, 558, 567, 588, 602, 651, 756, 774, 837, 868, 882, 903, 1116, 1134, 1161, 1204, 1302, 1323, 1333, 1519, 1548, 1674, 1764, 1806, 1953, 2107, 2268, 2322, 2511, 2604, 2646, 2666, 2709, 3038, 3348, 3483, 3612, 3906, 3969, 3999, 4214, 4557, 4644, 5022, 5292, 5332, 5418, 5859, 6076, 6321, 6966, 7812, 7938, 7998, 8127, 8428, 9114, 9331, 10044, 10836, 11718, 11997, 12642, 13671, 13932, 15876, 15996, 16254, 17577, 18228, 18662, 18963, 23436, 23994, 24381, 25284, 27342, 27993, 32508, 35154, 35991, 37324, 37926, 41013, 47988, 48762, 54684, 55986, 56889, 65317, 70308, 71982, 75852, 82026, 83979, 97524, 107973, 111972, 113778, 123039, 130634, 143964, 164052, 167958, 170667, 195951, 215946, 227556, 246078, 251937, 261268, 335916, 341334, 391902, 431892, 492156, 503874, 587853, 682668, 755811, 783804, 1007748, 1175706, 1511622, 1763559, 2351412, 3023244, 3527118, 5290677, 7054236, 10581354, 21162708]

約数ペア:

[(1, 21162708), (2, 10581354), (3, 7054236), (4, 5290677), (6, 3527118), (7, 3023244), (9, 2351412), (12, 1763559), (14, 1511622), (18, 1175706), (21, 1007748), (27, 783804), (28, 755811), (31, 682668), (36, 587853), (42, 503874), (43, 492156), (49, 431892), (54, 391902), (62, 341334), (63, 335916), (81, 261268), (84, 251937), (86, 246078), (93, 227556), (98, 215946), (108, 195951), (124, 170667), (126, 167958), (129, 164052), (147, 143964), (162, 130634), (172, 123039), (186, 113778), (189, 111972), (196, 107973), (217, 97524), (252, 83979), (258, 82026), (279, 75852), (294, 71982), (301, 70308), (324, 65317), (372, 56889), (378, 55986), (387, 54684), (434, 48762), (441, 47988), (516, 41013), (558, 37926), (567, 37324), (588, 35991), (602, 35154), (651, 32508), (756, 27993), (774, 27342), (837, 25284), (868, 24381), (882, 23994), (903, 23436), (1116, 18963), (1134, 18662), (1161, 18228), (1204, 17577), (1302, 16254), (1323, 15996), (1333, 15876), (1519, 13932), (1548, 13671), (1674, 12642), (1764, 11997), (1806, 11718), (1953, 10836), (2107, 10044), (2268, 9331), (2322, 9114), (2511, 8428), (2604, 8127), (2646, 7998), (2666, 7938), (2709, 7812), (3038, 6966), (3348, 6321), (3483, 6076), (3612, 5859), (3906, 5418), (3969, 5332), (3999, 5292), (4214, 5022), (4557, 4644)]