21514669

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 24860160

約数和(自身を除く): 3345491

約数列:

[1, 11, 19, 209, 311, 331, 3421, 3641, 5909, 6289, 64999, 69179, 102941, 1132351, 1955879, 21514669]

約数ペア:

[(1, 21514669), (11, 1955879), (19, 1132351), (209, 102941), (311, 69179), (331, 64999), (3421, 6289), (3641, 5909)]