21704593

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{307}}^1$

素因数の和:448

約数の個数: 12

約数和(自身を含む): 23303280

約数和(自身を除く): 1598687

約数列:

[1, 19, 61, 307, 1159, 3721, 5833, 18727, 70699, 355813, 1142347, 21704593]

約数ペア:

[(1, 21704593), (19, 1142347), (61, 355813), (307, 70699), (1159, 18727), (3721, 5833)]