21141862

素因数分解:

$2^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4919}}^1$

素因数の和:5235

約数の個数: 16

約数和(自身を含む): 36368640

約数和(自身を除く): 15226778

約数列:

[1, 2, 7, 14, 307, 614, 2149, 4298, 4919, 9838, 34433, 68866, 1510133, 3020266, 10570931, 21141862]

約数ペア:

[(1, 21141862), (2, 10570931), (7, 3020266), (14, 1510133), (307, 68866), (614, 34433), (2149, 9838), (4298, 4919)]