21727216

素因数分解:

$2^4\times 7^1\times {\mathrm{193993}}^1$

素因数の和:194008

約数の個数: 20

約数和(自身を含む): 48110512

約数和(自身を除く): 26383296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193993, 387986, 775972, 1357951, 1551944, 2715902, 3103888, 5431804, 10863608, 21727216]

約数ペア:

[(1, 21727216), (2, 10863608), (4, 5431804), (7, 3103888), (8, 2715902), (14, 1551944), (16, 1357951), (28, 775972), (56, 387986), (112, 193993)]