21514867

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 24659712

約数和(自身を除く): 3144845

約数列:

[1, 11, 23, 253, 277, 307, 3047, 3377, 6371, 7061, 70081, 77671, 85039, 935429, 1955897, 21514867]

約数ペア:

[(1, 21514867), (11, 1955897), (23, 935429), (253, 85039), (277, 77671), (307, 70081), (3047, 7061), (3377, 6371)]