21082676

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{59221}}^1$

素因数の和:59314

約数の個数: 12

約数和(自身を含む): 37309860

約数和(自身を除く): 16227184

約数列:

[1, 2, 4, 89, 178, 356, 59221, 118442, 236884, 5270669, 10541338, 21082676]

約数ペア:

[(1, 21082676), (2, 10541338), (4, 5270669), (89, 236884), (178, 118442), (356, 59221)]