21000480681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2726981}}^1$

素因数の和:2727152

約数の個数: 16

約数和(自身を含む): 29844091008

約数和(自身を除く): 8843610327

約数列:

[1, 3, 17, 51, 151, 453, 2567, 7701, 2726981, 8180943, 46358677, 139076031, 411774131, 1235322393, 7000160227, 21000480681]

約数ペア:

[(1, 21000480681), (3, 7000160227), (17, 1235322393), (51, 411774131), (151, 139076031), (453, 46358677), (2567, 8180943), (7701, 2726981)]