21492777

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{3217}}^1$

素因数の和:3368

約数の個数: 16

約数和(自身を含む): 30583872

約数和(自身を除く): 9091095

約数列:

[1, 3, 17, 51, 131, 393, 2227, 3217, 6681, 9651, 54689, 164067, 421427, 1264281, 7164259, 21492777]

約数ペア:

[(1, 21492777), (3, 7164259), (17, 1264281), (51, 421427), (131, 164067), (393, 54689), (2227, 9651), (3217, 6681)]