21711196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{417523}}^1$

素因数の和:417540

約数の個数: 12

約数和(自身を含む): 40917352

約数和(自身を除く): 19206156

約数列:

[1, 2, 4, 13, 26, 52, 417523, 835046, 1670092, 5427799, 10855598, 21711196]

約数ペア:

[(1, 21711196), (2, 10855598), (4, 5427799), (13, 1670092), (26, 835046), (52, 417523)]