21943185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{132989}}^1$

素因数の和:133008

約数の個数: 16

約数和(自身を含む): 38301120

約数和(自身を除く): 16357935

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 132989, 398967, 664945, 1462879, 1994835, 4388637, 7314395, 21943185]

約数ペア:

[(1, 21943185), (3, 7314395), (5, 4388637), (11, 1994835), (15, 1462879), (33, 664945), (55, 398967), (165, 132989)]