21285297

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3209}}^1$

素因数の和:3293

約数の個数: 24

約数和(自身を含む): 34051680

約数和(自身を除く): 12766383

約数列:

[1, 3, 9, 11, 33, 67, 99, 201, 603, 737, 2211, 3209, 6633, 9627, 28881, 35299, 105897, 215003, 317691, 645009, 1935027, 2365033, 7095099, 21285297]

約数ペア:

[(1, 21285297), (3, 7095099), (9, 2365033), (11, 1935027), (33, 645009), (67, 317691), (99, 215003), (201, 105897), (603, 35299), (737, 28881), (2211, 9627), (3209, 6633)]