21092087908

素因数分解:

$2^2\times {\mathrm{66797}}^1\times {\mathrm{78941}}^1$

素因数の和:145742

約数の個数: 12

約数和(自身を含む): 36912174012

約数和(自身を除く): 15820086104

約数列:

[1, 2, 4, 66797, 78941, 133594, 157882, 267188, 315764, 5273021977, 10546043954, 21092087908]

約数ペア:

[(1, 21092087908), (2, 10546043954), (4, 5273021977), (66797, 315764), (78941, 267188), (133594, 157882)]