21393962

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13093}}^1$

素因数の和:13157

約数の個数: 16

約数和(自身を含む): 34568160

約数和(自身を除く): 13174198

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 13093, 26186, 248767, 497534, 562999, 1125998, 10696981, 21393962]

約数ペア:

[(1, 21393962), (2, 10696981), (19, 1125998), (38, 562999), (43, 497534), (86, 248767), (817, 26186), (1634, 13093)]