21131836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16561}}^1$

素因数の和:16605

約数の個数: 24

約数和(自身を含む): 41736240

約数和(自身を除く): 20604404

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16561, 33122, 66244, 182171, 364342, 480269, 728684, 960538, 1921076, 5282959, 10565918, 21131836]

約数ペア:

[(1, 21131836), (2, 10565918), (4, 5282959), (11, 1921076), (22, 960538), (29, 728684), (44, 480269), (58, 364342), (116, 182171), (319, 66244), (638, 33122), (1276, 16561)]