21787703073

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{17670481}}^1$

素因数の和:17670624

約数の個数: 12

約数和(自身を含む): 31700844708

約数和(自身を除く): 9913141635

約数列:

[1, 3, 9, 137, 411, 1233, 17670481, 53011443, 159034329, 2420855897, 7262567691, 21787703073]

約数ペア:

[(1, 21787703073), (3, 7262567691), (9, 2420855897), (137, 159034329), (411, 53011443), (1233, 17670481)]