21793669849

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{305563}}^1$

素因数の和:306036

約数の個数: 16

約数和(自身を含む): 26048719872

約数和(自身を除く): 4255050023

約数列:

[1, 7, 23, 161, 443, 3101, 10189, 71323, 305563, 2138941, 7027949, 49195643, 135364409, 947550863, 3113381407, 21793669849]

約数ペア:

[(1, 21793669849), (7, 3113381407), (23, 947550863), (161, 135364409), (443, 49195643), (3101, 7027949), (10189, 2138941), (71323, 305563)]