21253415086

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{354661}}^1$

素因数の和:354784

約数の個数: 24

約数和(自身を含む): 34051807944

約数和(自身を除く): 12798392858

約数列:

[1, 2, 19, 38, 83, 166, 361, 722, 1577, 3154, 29963, 59926, 354661, 709322, 6738559, 13477118, 29436863, 58873726, 128032621, 256065242, 559300397, 1118600794, 10626707543, 21253415086]

約数ペア:

[(1, 21253415086), (2, 10626707543), (19, 1118600794), (38, 559300397), (83, 256065242), (166, 128032621), (361, 58873726), (722, 29436863), (1577, 13477118), (3154, 6738559), (29963, 709322), (59926, 354661)]