21061095

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127643}}^1$

素因数の和:127662

約数の個数: 16

約数和(自身を含む): 36761472

約数和(自身を除く): 15700377

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 127643, 382929, 638215, 1404073, 1914645, 4212219, 7020365, 21061095]

約数ペア:

[(1, 21061095), (3, 7020365), (5, 4212219), (11, 1914645), (15, 1404073), (33, 638215), (55, 382929), (165, 127643)]