21168433

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 25561440

約数和(自身を除く): 4393007

約数列:

[1, 11, 13, 59, 143, 169, 193, 649, 767, 1859, 2123, 2509, 8437, 9971, 11387, 27599, 32617, 109681, 125257, 148031, 358787, 1628341, 1924403, 21168433]

約数ペア:

[(1, 21168433), (11, 1924403), (13, 1628341), (59, 358787), (143, 148031), (169, 125257), (193, 109681), (649, 32617), (767, 27599), (1859, 11387), (2123, 9971), (2509, 8437)]