21627662

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81307}}^1$

素因数の和:81335

約数の個数: 16

約数和(自身を含む): 39027840

約数和(自身を除く): 17400178

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 81307, 162614, 569149, 1138298, 1544833, 3089666, 10813831, 21627662]

約数ペア:

[(1, 21627662), (2, 10813831), (7, 3089666), (14, 1544833), (19, 1138298), (38, 569149), (133, 162614), (266, 81307)]