21088898

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{29209}}^1$

素因数の和:29249

約数の個数: 12

約数和(自身を含む): 33387030

約数和(自身を除く): 12298132

約数列:

[1, 2, 19, 38, 361, 722, 29209, 58418, 554971, 1109942, 10544449, 21088898]

約数ペア:

[(1, 21088898), (2, 10544449), (19, 1109942), (38, 554971), (361, 58418), (722, 29209)]