21817263

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29443}}^1$

素因数の和:29478

約数の個数: 16

約数和(自身を含む): 32977280

約数和(自身を除く): 11160017

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 29443, 88329, 382759, 559417, 1148277, 1678251, 7272421, 21817263]

約数ペア:

[(1, 21817263), (3, 7272421), (13, 1678251), (19, 1148277), (39, 559417), (57, 382759), (247, 88329), (741, 29443)]