21443968

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 53721360

約数和(自身を除く): 32277392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 263, 364, 392, 416, 448, 526, 637, 728, 784, 832, 896, 1052, 1274, 1456, 1568, 1664, 1841, 2104, 2548, 2912, 3136, 3419, 3682, 4208, 5096, 5824, 6272, 6838, 7364, 8416, 10192, 11648, 12887, 13676, 14728, 16832, 20384, 23933, 25774, 27352, 29456, 33664, 40768, 47866, 51548, 54704, 58912, 81536, 95732, 103096, 109408, 117824, 167531, 191464, 206192, 218816, 235648, 335062, 382928, 412384, 437632, 670124, 765856, 824768, 1340248, 1531712, 1649536, 2680496, 3063424, 5360992, 10721984, 21443968]

約数ペア:

[(1, 21443968), (2, 10721984), (4, 5360992), (7, 3063424), (8, 2680496), (13, 1649536), (14, 1531712), (16, 1340248), (26, 824768), (28, 765856), (32, 670124), (49, 437632), (52, 412384), (56, 382928), (64, 335062), (91, 235648), (98, 218816), (104, 206192), (112, 191464), (128, 167531), (182, 117824), (196, 109408), (208, 103096), (224, 95732), (263, 81536), (364, 58912), (392, 54704), (416, 51548), (448, 47866), (526, 40768), (637, 33664), (728, 29456), (784, 27352), (832, 25774), (896, 23933), (1052, 20384), (1274, 16832), (1456, 14728), (1568, 13676), (1664, 12887), (1841, 11648), (2104, 10192), (2548, 8416), (2912, 7364), (3136, 6838), (3419, 6272), (3682, 5824), (4208, 5096)]