21432019

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9479}}^1$

素因数の和:9522

約数の個数: 16

約数和(自身を含む): 27302400

約数和(自身を除く): 5870381

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9479, 66353, 161143, 180101, 1128001, 1260707, 3061717, 21432019]

約数ペア:

[(1, 21432019), (7, 3061717), (17, 1260707), (19, 1128001), (119, 180101), (133, 161143), (323, 66353), (2261, 9479)]