21910167

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 33047040

約数和(自身を除く): 11136873

約数列:

[1, 3, 9, 29, 87, 127, 261, 381, 661, 1143, 1983, 3683, 5949, 11049, 19169, 33147, 57507, 83947, 172521, 251841, 755523, 2434463, 7303389, 21910167]

約数ペア:

[(1, 21910167), (3, 7303389), (9, 2434463), (29, 755523), (87, 251841), (127, 172521), (261, 83947), (381, 57507), (661, 33147), (1143, 19169), (1983, 11049), (3683, 5949)]