21434907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28927}}^1$

素因数の和:28962

約数の個数: 16

約数和(自身を含む): 32399360

約数和(自身を除く): 10964453

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 28927, 86781, 376051, 549613, 1128153, 1648839, 7144969, 21434907]

約数ペア:

[(1, 21434907), (3, 7144969), (13, 1648839), (19, 1128153), (39, 549613), (57, 376051), (247, 86781), (741, 28927)]