21051648

素因数分解:

$2^8\times 3^2\times {\mathrm{9137}}^1$

素因数の和:9159

約数の個数: 54

約数和(自身を含む): 60703734

約数和(自身を除く): 39652086

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 9137, 18274, 27411, 36548, 54822, 73096, 82233, 109644, 146192, 164466, 219288, 292384, 328932, 438576, 584768, 657864, 877152, 1169536, 1315728, 1754304, 2339072, 2631456, 3508608, 5262912, 7017216, 10525824, 21051648]

約数ペア:

[(1, 21051648), (2, 10525824), (3, 7017216), (4, 5262912), (6, 3508608), (8, 2631456), (9, 2339072), (12, 1754304), (16, 1315728), (18, 1169536), (24, 877152), (32, 657864), (36, 584768), (48, 438576), (64, 328932), (72, 292384), (96, 219288), (128, 164466), (144, 146192), (192, 109644), (256, 82233), (288, 73096), (384, 54822), (576, 36548), (768, 27411), (1152, 18274), (2304, 9137)]