21467721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{650537}}^1$

素因数の和:650551

約数の個数: 8

約数和(自身を含む): 31225824

約数和(自身を除く): 9758103

約数列:

[1, 3, 11, 33, 650537, 1951611, 7155907, 21467721]

約数ペア:

[(1, 21467721), (3, 7155907), (11, 1951611), (33, 650537)]