21459797

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 25084800

約数和(自身を除く): 3625003

約数列:

[1, 17, 19, 29, 79, 323, 493, 551, 841, 1343, 1501, 2291, 9367, 14297, 15979, 25517, 38947, 43529, 66439, 271643, 739993, 1129463, 1262341, 21459797]

約数ペア:

[(1, 21459797), (17, 1262341), (19, 1129463), (29, 739993), (79, 271643), (323, 66439), (493, 43529), (551, 38947), (841, 25517), (1343, 15979), (1501, 14297), (2291, 9367)]