21001792

素因数分解:

$2^6\times 7^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:244

約数の個数: 84

約数和(自身を含む): 50064924

約数和(自身を除く): 29063132

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 64, 74, 98, 112, 148, 181, 196, 224, 259, 296, 362, 392, 448, 518, 592, 724, 784, 1036, 1184, 1267, 1448, 1568, 1813, 2072, 2368, 2534, 2896, 3136, 3626, 4144, 5068, 5792, 6697, 7252, 8288, 8869, 10136, 11584, 13394, 14504, 16576, 17738, 20272, 26788, 29008, 35476, 40544, 46879, 53576, 58016, 70952, 81088, 93758, 107152, 116032, 141904, 187516, 214304, 283808, 328153, 375032, 428608, 567616, 656306, 750064, 1312612, 1500128, 2625224, 3000256, 5250448, 10500896, 21001792]

約数ペア:

[(1, 21001792), (2, 10500896), (4, 5250448), (7, 3000256), (8, 2625224), (14, 1500128), (16, 1312612), (28, 750064), (32, 656306), (37, 567616), (49, 428608), (56, 375032), (64, 328153), (74, 283808), (98, 214304), (112, 187516), (148, 141904), (181, 116032), (196, 107152), (224, 93758), (259, 81088), (296, 70952), (362, 58016), (392, 53576), (448, 46879), (518, 40544), (592, 35476), (724, 29008), (784, 26788), (1036, 20272), (1184, 17738), (1267, 16576), (1448, 14504), (1568, 13394), (1813, 11584), (2072, 10136), (2368, 8869), (2534, 8288), (2896, 7252), (3136, 6697), (3626, 5792), (4144, 5068)]