21469528059

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53808341}}^1$

素因数の和:53808370

約数の個数: 16

約数和(自身を含む): 34437338880

約数和(自身を除く): 12967810821

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 53808341, 161425023, 376658387, 1022358479, 1129975161, 3067075437, 7156509353, 21469528059]

約数ペア:

[(1, 21469528059), (3, 7156509353), (7, 3067075437), (19, 1129975161), (21, 1022358479), (57, 376658387), (133, 161425023), (399, 53808341)]