21025842

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1787}}^1$

素因数の和:1882

約数の個数: 32

約数和(自身を含む): 44027712

約数和(自身を除く): 23001870

約数列:

[1, 2, 3, 6, 37, 53, 74, 106, 111, 159, 222, 318, 1787, 1961, 3574, 3922, 5361, 5883, 10722, 11766, 66119, 94711, 132238, 189422, 198357, 284133, 396714, 568266, 3504307, 7008614, 10512921, 21025842]

約数ペア:

[(1, 21025842), (2, 10512921), (3, 7008614), (6, 3504307), (37, 568266), (53, 396714), (74, 284133), (106, 198357), (111, 189422), (159, 132238), (222, 94711), (318, 66119), (1787, 11766), (1961, 10722), (3574, 5883), (3922, 5361)]