21939994

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{421}}^1$

素因数の和:861

約数の個数: 16

約数和(自身を含む): 33543936

約数和(自身を除く): 11603942

約数列:

[1, 2, 71, 142, 367, 421, 734, 842, 26057, 29891, 52114, 59782, 154507, 309014, 10969997, 21939994]

約数ペア:

[(1, 21939994), (2, 10969997), (71, 309014), (142, 154507), (367, 59782), (421, 52114), (734, 29891), (842, 26057)]