21585136

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{19001}}^1$

素因数の和:19080

約数の個数: 20

約数和(自身を含む): 42412464

約数和(自身を除く): 20827328

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 19001, 38002, 76004, 152008, 304016, 1349071, 2698142, 5396284, 10792568, 21585136]

約数ペア:

[(1, 21585136), (2, 10792568), (4, 5396284), (8, 2698142), (16, 1349071), (71, 304016), (142, 152008), (284, 76004), (568, 38002), (1136, 19001)]