21319485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129209}}^1$

素因数の和:129228

約数の個数: 16

約数和(自身を含む): 37212480

約数和(自身を除く): 15892995

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 129209, 387627, 646045, 1421299, 1938135, 4263897, 7106495, 21319485]

約数ペア:

[(1, 21319485), (3, 7106495), (5, 4263897), (11, 1938135), (15, 1421299), (33, 646045), (55, 387627), (165, 129209)]