21845128

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66601}}^1$

素因数の和:66648

約数の個数: 16

約数和(自身を含む): 41959260

約数和(自身を除く): 20114132

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66601, 133202, 266404, 532808, 2730641, 5461282, 10922564, 21845128]

約数ペア:

[(1, 21845128), (2, 10922564), (4, 5461282), (8, 2730641), (41, 532808), (82, 266404), (164, 133202), (328, 66601)]