21111838

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3793}}^1$

素因数の和:3840

約数の個数: 24

約数和(自身を含む): 36331344

約数和(自身を除く): 15219506

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 3793, 5566, 7586, 41723, 83446, 87239, 174478, 458953, 917906, 959629, 1919258, 10555919, 21111838]

約数ペア:

[(1, 21111838), (2, 10555919), (11, 1919258), (22, 959629), (23, 917906), (46, 458953), (121, 174478), (242, 87239), (253, 83446), (506, 41723), (2783, 7586), (3793, 5566)]