21774885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131969}}^1$

素因数の和:131988

約数の個数: 16

約数和(自身を含む): 38007360

約数和(自身を除く): 16232475

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 131969, 395907, 659845, 1451659, 1979535, 4354977, 7258295, 21774885]

約数ペア:

[(1, 21774885), (3, 7258295), (5, 4354977), (11, 1979535), (15, 1451659), (33, 659845), (55, 395907), (165, 131969)]