21964467

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4957}}^1$

素因数の和:5178

約数の個数: 16

約数和(自身を含む): 33635072

約数和(自身を除く): 11670605

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 4957, 14871, 34699, 104097, 1045927, 3137781, 7321489, 21964467]

約数ペア:

[(1, 21964467), (3, 7321489), (7, 3137781), (21, 1045927), (211, 104097), (633, 34699), (1477, 14871), (4431, 4957)]