21049616

素因数分解:

$2^4\times 7^2\times {\mathrm{26849}}^1$

素因数の和:26871

約数の個数: 30

約数和(自身を含む): 47443950

約数和(自身を除く): 26394334

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26849, 53698, 107396, 187943, 214792, 375886, 429584, 751772, 1315601, 1503544, 2631202, 3007088, 5262404, 10524808, 21049616]

約数ペア:

[(1, 21049616), (2, 10524808), (4, 5262404), (7, 3007088), (8, 2631202), (14, 1503544), (16, 1315601), (28, 751772), (49, 429584), (56, 375886), (98, 214792), (112, 187943), (196, 107396), (392, 53698), (784, 26849)]