21133772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1993}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 40534032

約数和(自身を除く): 19400260

約数列:

[1, 2, 4, 11, 22, 44, 241, 482, 964, 1993, 2651, 3986, 5302, 7972, 10604, 21923, 43846, 87692, 480313, 960626, 1921252, 5283443, 10566886, 21133772]

約数ペア:

[(1, 21133772), (2, 10566886), (4, 5283443), (11, 1921252), (22, 960626), (44, 480313), (241, 87692), (482, 43846), (964, 21923), (1993, 10604), (2651, 7972), (3986, 5302)]