21214776

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 63763200

約数和(自身を除く): 42548424

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 29, 33, 34, 44, 51, 58, 66, 68, 87, 88, 102, 116, 132, 136, 163, 174, 187, 204, 232, 264, 319, 326, 348, 374, 408, 489, 493, 561, 638, 652, 696, 748, 957, 978, 986, 1122, 1276, 1304, 1479, 1496, 1793, 1914, 1956, 1972, 2244, 2552, 2771, 2958, 3586, 3828, 3912, 3944, 4488, 4727, 5379, 5423, 5542, 5916, 7172, 7656, 8313, 9454, 10758, 10846, 11084, 11832, 14181, 14344, 16269, 16626, 18908, 21516, 21692, 22168, 28362, 30481, 32538, 33252, 37816, 43032, 43384, 51997, 56724, 60962, 65076, 66504, 80359, 91443, 103994, 113448, 121924, 130152, 155991, 160718, 182886, 207988, 241077, 243848, 311982, 321436, 365772, 415976, 482154, 623964, 642872, 731544, 883949, 964308, 1247928, 1767898, 1928616, 2651847, 3535796, 5303694, 7071592, 10607388, 21214776]

約数ペア:

[(1, 21214776), (2, 10607388), (3, 7071592), (4, 5303694), (6, 3535796), (8, 2651847), (11, 1928616), (12, 1767898), (17, 1247928), (22, 964308), (24, 883949), (29, 731544), (33, 642872), (34, 623964), (44, 482154), (51, 415976), (58, 365772), (66, 321436), (68, 311982), (87, 243848), (88, 241077), (102, 207988), (116, 182886), (132, 160718), (136, 155991), (163, 130152), (174, 121924), (187, 113448), (204, 103994), (232, 91443), (264, 80359), (319, 66504), (326, 65076), (348, 60962), (374, 56724), (408, 51997), (489, 43384), (493, 43032), (561, 37816), (638, 33252), (652, 32538), (696, 30481), (748, 28362), (957, 22168), (978, 21692), (986, 21516), (1122, 18908), (1276, 16626), (1304, 16269), (1479, 14344), (1496, 14181), (1793, 11832), (1914, 11084), (1956, 10846), (1972, 10758), (2244, 9454), (2552, 8313), (2771, 7656), (2958, 7172), (3586, 5916), (3828, 5542), (3912, 5423), (3944, 5379), (4488, 4727)]