21964076

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{289001}}^1$

素因数の和:289024

約数の個数: 12

約数和(自身を含む): 40460280

約数和(自身を除く): 18496204

約数列:

[1, 2, 4, 19, 38, 76, 289001, 578002, 1156004, 5491019, 10982038, 21964076]

約数ペア:

[(1, 21964076), (2, 10982038), (4, 5491019), (19, 1156004), (38, 578002), (76, 289001)]