21181656496

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{188933}}^1$

素因数の和:188979

約数の個数: 120

約数和(自身を含む): 56086191504

約数和(自身を除く): 34904535008

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 286, 308, 364, 392, 539, 572, 616, 637, 728, 784, 1001, 1078, 1144, 1232, 1274, 1456, 2002, 2156, 2288, 2548, 4004, 4312, 5096, 7007, 8008, 8624, 10192, 14014, 16016, 28028, 56056, 112112, 188933, 377866, 755732, 1322531, 1511464, 2078263, 2456129, 2645062, 3022928, 4156526, 4912258, 5290124, 8313052, 9257717, 9824516, 10580248, 14547841, 16626104, 17192903, 18515434, 19649032, 21160496, 27017419, 29095682, 33252208, 34385806, 37030868, 39298064, 54034838, 58191364, 68771612, 74061736, 101834887, 108069676, 116382728, 120350321, 137543224, 148123472, 189121933, 203669774, 216139352, 232765456, 240700642, 275086448, 378243866, 407339548, 432278704, 481401284, 756487732, 814679096, 962802568, 1323853531, 1512975464, 1629358192, 1925605136, 2647707062, 3025950928, 5295414124, 10590828248, 21181656496]

約数ペア:

[(1, 21181656496), (2, 10590828248), (4, 5295414124), (7, 3025950928), (8, 2647707062), (11, 1925605136), (13, 1629358192), (14, 1512975464), (16, 1323853531), (22, 962802568), (26, 814679096), (28, 756487732), (44, 481401284), (49, 432278704), (52, 407339548), (56, 378243866), (77, 275086448), (88, 240700642), (91, 232765456), (98, 216139352), (104, 203669774), (112, 189121933), (143, 148123472), (154, 137543224), (176, 120350321), (182, 116382728), (196, 108069676), (208, 101834887), (286, 74061736), (308, 68771612), (364, 58191364), (392, 54034838), (539, 39298064), (572, 37030868), (616, 34385806), (637, 33252208), (728, 29095682), (784, 27017419), (1001, 21160496), (1078, 19649032), (1144, 18515434), (1232, 17192903), (1274, 16626104), (1456, 14547841), (2002, 10580248), (2156, 9824516), (2288, 9257717), (2548, 8313052), (4004, 5290124), (4312, 4912258), (5096, 4156526), (7007, 3022928), (8008, 2645062), (8624, 2456129), (10192, 2078263), (14014, 1511464), (16016, 1322531), (28028, 755732), (56056, 377866), (112112, 188933)]