21300719

素因数分解:

${\mathrm{11}}^2\times {\mathrm{401}}^1\times {\mathrm{439}}^1$

素因数の和:862

約数の個数: 12

約数和(自身を含む): 23525040

約数和(自身を除く): 2224321

約数列:

[1, 11, 121, 401, 439, 4411, 4829, 48521, 53119, 176039, 1936429, 21300719]

約数ペア:

[(1, 21300719), (11, 1936429), (121, 176039), (401, 53119), (439, 48521), (4411, 4829)]