21167743828

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:810

約数の個数: 144

約数和(自身を含む): 47803392000

約数和(自身を除く): 26635648172

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 103, 154, 196, 199, 206, 308, 398, 412, 479, 539, 721, 796, 958, 1078, 1133, 1393, 1442, 1916, 2156, 2189, 2266, 2786, 2884, 3353, 4378, 4532, 5047, 5269, 5572, 6706, 7931, 8756, 9751, 10094, 10538, 13412, 15323, 15862, 19502, 20188, 20497, 21076, 23471, 30646, 31724, 36883, 39004, 40994, 46942, 49337, 55517, 61292, 73766, 81988, 93884, 95321, 98674, 107261, 111034, 143479, 147532, 190642, 197348, 214522, 222068, 225467, 258181, 286958, 345359, 381284, 429044, 450934, 516362, 542707, 573916, 667247, 690718, 901868, 1004353, 1032724, 1048531, 1085414, 1334494, 1381436, 1578269, 2008706, 2097062, 2170828, 2417513, 2668988, 3156538, 3798949, 4017412, 4194124, 4670729, 4835026, 6313076, 7339717, 7597898, 9341458, 9670052, 9818063, 11047883, 14679434, 15195796, 18682916, 19636126, 22095766, 26592643, 29358868, 39272252, 44191532, 51378019, 53185286, 68726441, 102756038, 106370572, 107998693, 137452882, 205512076, 215997386, 274905764, 431994772, 481085087, 755990851, 962170174, 1511981702, 1924340348, 3023963404, 5291935957, 10583871914, 21167743828]

約数ペア:

[(1, 21167743828), (2, 10583871914), (4, 5291935957), (7, 3023963404), (11, 1924340348), (14, 1511981702), (22, 962170174), (28, 755990851), (44, 481085087), (49, 431994772), (77, 274905764), (98, 215997386), (103, 205512076), (154, 137452882), (196, 107998693), (199, 106370572), (206, 102756038), (308, 68726441), (398, 53185286), (412, 51378019), (479, 44191532), (539, 39272252), (721, 29358868), (796, 26592643), (958, 22095766), (1078, 19636126), (1133, 18682916), (1393, 15195796), (1442, 14679434), (1916, 11047883), (2156, 9818063), (2189, 9670052), (2266, 9341458), (2786, 7597898), (2884, 7339717), (3353, 6313076), (4378, 4835026), (4532, 4670729), (5047, 4194124), (5269, 4017412), (5572, 3798949), (6706, 3156538), (7931, 2668988), (8756, 2417513), (9751, 2170828), (10094, 2097062), (10538, 2008706), (13412, 1578269), (15323, 1381436), (15862, 1334494), (19502, 1085414), (20188, 1048531), (20497, 1032724), (21076, 1004353), (23471, 901868), (30646, 690718), (31724, 667247), (36883, 573916), (39004, 542707), (40994, 516362), (46942, 450934), (49337, 429044), (55517, 381284), (61292, 345359), (73766, 286958), (81988, 258181), (93884, 225467), (95321, 222068), (98674, 214522), (107261, 197348), (111034, 190642), (143479, 147532)]