21907842

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331937}}^1$

素因数の和:331953

約数の個数: 16

約数和(自身を含む): 47799072

約数和(自身を除く): 25891230

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 331937, 663874, 995811, 1991622, 3651307, 7302614, 10953921, 21907842]

約数ペア:

[(1, 21907842), (2, 10953921), (3, 7302614), (6, 3651307), (11, 1991622), (22, 995811), (33, 663874), (66, 331937)]