21559109

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1409}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 25583040

約数和(自身を除く): 4023931

約数列:

[1, 11, 13, 107, 143, 1177, 1391, 1409, 15301, 15499, 18317, 150763, 201487, 1658393, 1959919, 21559109]

約数ペア:

[(1, 21559109), (11, 1959919), (13, 1658393), (107, 201487), (143, 150763), (1177, 18317), (1391, 15499), (1409, 15301)]