21212981874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1\times {\mathrm{1693}}^1$

素因数の和:2344

約数の個数: 96

約数和(自身を含む): 52895082240

約数和(自身を除く): 31682100366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 277, 359, 554, 718, 831, 1077, 1662, 1693, 1939, 2154, 2493, 2513, 3231, 3386, 3878, 4986, 5026, 5079, 5817, 6462, 7539, 10158, 11634, 11851, 15078, 15237, 17451, 22617, 23702, 30474, 34902, 35553, 45234, 71106, 99443, 106659, 198886, 213318, 298329, 468961, 596658, 607787, 696101, 894987, 937922, 1215574, 1392202, 1406883, 1789974, 1823361, 2088303, 2813766, 3282727, 3646722, 4176606, 4220649, 4254509, 5470083, 6264909, 6565454, 8441298, 8509018, 9848181, 10940166, 12529818, 12763527, 19696362, 25527054, 29544543, 38290581, 59089086, 76581162, 168356999, 336713998, 505070997, 1010141994, 1178498993, 1515212991, 2356997986, 3030425982, 3535496979, 7070993958, 10606490937, 21212981874]

約数ペア:

[(1, 21212981874), (2, 10606490937), (3, 7070993958), (6, 3535496979), (7, 3030425982), (9, 2356997986), (14, 1515212991), (18, 1178498993), (21, 1010141994), (42, 505070997), (63, 336713998), (126, 168356999), (277, 76581162), (359, 59089086), (554, 38290581), (718, 29544543), (831, 25527054), (1077, 19696362), (1662, 12763527), (1693, 12529818), (1939, 10940166), (2154, 9848181), (2493, 8509018), (2513, 8441298), (3231, 6565454), (3386, 6264909), (3878, 5470083), (4986, 4254509), (5026, 4220649), (5079, 4176606), (5817, 3646722), (6462, 3282727), (7539, 2813766), (10158, 2088303), (11634, 1823361), (11851, 1789974), (15078, 1406883), (15237, 1392202), (17451, 1215574), (22617, 937922), (23702, 894987), (30474, 696101), (34902, 607787), (35553, 596658), (45234, 468961), (71106, 298329), (99443, 213318), (106659, 198886)]