21604268

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33547}}^1$

素因数の和:33581

約数の個数: 24

約数和(自身を含む): 45088512

約数和(自身を除く): 23484244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33547, 67094, 134188, 234829, 469658, 771581, 939316, 1543162, 3086324, 5401067, 10802134, 21604268]

約数ペア:

[(1, 21604268), (2, 10802134), (4, 5401067), (7, 3086324), (14, 1543162), (23, 939316), (28, 771581), (46, 469658), (92, 234829), (161, 134188), (322, 67094), (644, 33547)]