16642021

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^2\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 12

約数和(自身を含む): 18457344

約数和(自身を除く): 1815323

約数列:

[1, 11, 89, 191, 979, 2101, 7921, 16999, 87131, 186989, 1512911, 16642021]

約数ペア:

[(1, 16642021), (11, 1512911), (89, 186989), (191, 87131), (979, 16999), (2101, 7921)]