21806994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{330409}}^1$

素因数の和:330425

約数の個数: 16

約数和(自身を含む): 47579040

約数和(自身を除く): 25772046

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 330409, 660818, 991227, 1982454, 3634499, 7268998, 10903497, 21806994]

約数ペア:

[(1, 21806994), (2, 10903497), (3, 7268998), (6, 3634499), (11, 1982454), (22, 991227), (33, 660818), (66, 330409)]