21381366

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 44229888

約数和(自身を除く): 22848522

約数列:

[1, 2, 3, 6, 53, 71, 106, 142, 159, 213, 318, 426, 947, 1894, 2841, 3763, 5682, 7526, 11289, 22578, 50191, 67237, 100382, 134474, 150573, 201711, 301146, 403422, 3563561, 7127122, 10690683, 21381366]

約数ペア:

[(1, 21381366), (2, 10690683), (3, 7127122), (6, 3563561), (53, 403422), (71, 301146), (106, 201711), (142, 150573), (159, 134474), (213, 100382), (318, 67237), (426, 50191), (947, 22578), (1894, 11289), (2841, 7526), (3763, 5682)]