21871735039

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17509}}^1\times {\mathrm{16223}}^1$

素因数の和:33750

約数の個数: 16

約数和(自身を含む): 27271895040

約数和(自身を除く): 5400160001

約数列:

[1, 7, 11, 77, 16223, 17509, 113561, 122563, 178453, 192599, 1249171, 1348193, 284048507, 1988339549, 3124533577, 21871735039]

約数ペア:

[(1, 21871735039), (7, 3124533577), (11, 1988339549), (77, 284048507), (16223, 1348193), (17509, 1249171), (113561, 192599), (122563, 178453)]