21694387

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{719}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 3949133

約数列:

[1, 11, 13, 143, 211, 719, 2321, 2743, 7909, 9347, 30173, 102817, 151709, 1668799, 1972217, 21694387]

約数ペア:

[(1, 21694387), (11, 1972217), (13, 1668799), (143, 151709), (211, 102817), (719, 30173), (2321, 9347), (2743, 7909)]