21587629

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 27035840

約数和(自身を除く): 5448211

約数列:

[1, 7, 19, 29, 133, 193, 203, 551, 841, 1351, 3667, 3857, 5597, 5887, 15979, 25669, 39179, 106343, 111853, 162313, 744401, 1136191, 3083947, 21587629]

約数ペア:

[(1, 21587629), (7, 3083947), (19, 1136191), (29, 744401), (133, 162313), (193, 111853), (203, 106343), (551, 39179), (841, 25669), (1351, 15979), (3667, 5887), (3857, 5597)]