21042286

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{739}}^1$

素因数の和:1383

約数の個数: 16

約数和(自身を含む): 33033600

約数和(自身を除く): 11991314

約数列:

[1, 2, 23, 46, 619, 739, 1238, 1478, 14237, 16997, 28474, 33994, 457441, 914882, 10521143, 21042286]

約数ペア:

[(1, 21042286), (2, 10521143), (23, 914882), (46, 457441), (619, 33994), (739, 28474), (1238, 16997), (1478, 14237)]