21567031

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 23390208

約数和(自身を除く): 1823177

約数列:

[1, 23, 47, 71, 281, 1081, 1633, 3337, 6463, 13207, 19951, 76751, 303761, 458873, 937697, 21567031]

約数ペア:

[(1, 21567031), (23, 937697), (47, 458873), (71, 303761), (281, 76751), (1081, 19951), (1633, 13207), (3337, 6463)]