21799113

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1319}}^1$

素因数の和:2116

約数の個数: 16

約数和(自身を含む): 33285120

約数和(自身を除く): 11486007

約数列:

[1, 3, 7, 21, 787, 1319, 2361, 3957, 5509, 9233, 16527, 27699, 1038053, 3114159, 7266371, 21799113]

約数ペア:

[(1, 21799113), (3, 7266371), (7, 3114159), (21, 1038053), (787, 27699), (1319, 16527), (2361, 9233), (3957, 5509)]