21322060

素因数分解:

$2^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1949}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 44881200

約数和(自身を除く): 23559140

約数列:

[1, 2, 4, 5, 10, 20, 547, 1094, 1949, 2188, 2735, 3898, 5470, 7796, 9745, 10940, 19490, 38980, 1066103, 2132206, 4264412, 5330515, 10661030, 21322060]

約数ペア:

[(1, 21322060), (2, 10661030), (4, 5330515), (5, 4264412), (10, 2132206), (20, 1066103), (547, 38980), (1094, 19490), (1949, 10940), (2188, 9745), (2735, 7796), (3898, 5470)]