20213382021

素因数分解:

$3^1\times 7^1\times {\mathrm{23327}}^1\times {\mathrm{41263}}^1$

素因数の和:64600

約数の個数: 16

約数和(自身を含む): 30803410944

約数和(自身を除く): 10590028923

約数列:

[1, 3, 7, 21, 23327, 41263, 69981, 123789, 163289, 288841, 489867, 866523, 962542001, 2887626003, 6737794007, 20213382021]

約数ペア:

[(1, 20213382021), (3, 6737794007), (7, 2887626003), (21, 962542001), (23327, 866523), (41263, 489867), (69981, 288841), (123789, 163289)]