21713552

素因数分解:

$2^4\times 7^1\times {\mathrm{193871}}^1$

素因数の和:193886

約数の個数: 20

約数和(自身を含む): 48080256

約数和(自身を除く): 26366704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193871, 387742, 775484, 1357097, 1550968, 2714194, 3101936, 5428388, 10856776, 21713552]

約数ペア:

[(1, 21713552), (2, 10856776), (4, 5428388), (7, 3101936), (8, 2714194), (14, 1550968), (16, 1357097), (28, 775484), (56, 387742), (112, 193871)]