21092155

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{35449}}^1$

素因数の和:35478

約数の個数: 16

約数和(自身を含む): 30628800

約数和(自身を除く): 9536645

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 35449, 177245, 248143, 602633, 1240715, 3013165, 4218431, 21092155]

約数ペア:

[(1, 21092155), (5, 4218431), (7, 3013165), (17, 1240715), (35, 602633), (85, 248143), (119, 177245), (595, 35449)]