21952528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{105541}}^1$

素因数の和:105562

約数の個数: 20

約数和(自身を含む): 45805228

約数和(自身を除く): 23852700

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 105541, 211082, 422164, 844328, 1372033, 1688656, 2744066, 5488132, 10976264, 21952528]

約数ペア:

[(1, 21952528), (2, 10976264), (4, 5488132), (8, 2744066), (13, 1688656), (16, 1372033), (26, 844328), (52, 422164), (104, 211082), (208, 105541)]