21000814930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91307891}}^1$

素因数の和:91307921

約数の個数: 16

約数和(自身を含む): 39445009344

約数和(自身を除く): 18444194414

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91307891, 182615782, 456539455, 913078910, 2100081493, 4200162986, 10500407465, 21000814930]

約数ペア:

[(1, 21000814930), (2, 10500407465), (5, 4200162986), (10, 2100081493), (23, 913078910), (46, 456539455), (115, 182615782), (230, 91307891)]