21711092

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{32117}}^1$

素因数の和:32147

約数の個数: 18

約数和(自身を含む): 41143158

約数和(自身を除く): 19432066

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 32117, 64234, 128468, 417521, 835042, 1670084, 5427773, 10855546, 21711092]

約数ペア:

[(1, 21711092), (2, 10855546), (4, 5427773), (13, 1670084), (26, 835042), (52, 417521), (169, 128468), (338, 64234), (676, 32117)]