21712432

素因数分解:

$2^4\times 7^1\times {\mathrm{193861}}^1$

素因数の和:193876

約数の個数: 20

約数和(自身を含む): 48077776

約数和(自身を除く): 26365344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193861, 387722, 775444, 1357027, 1550888, 2714054, 3101776, 5428108, 10856216, 21712432]

約数ペア:

[(1, 21712432), (2, 10856216), (4, 5428108), (7, 3101776), (8, 2714054), (14, 1550888), (16, 1357027), (28, 775444), (56, 387722), (112, 193861)]