21380458822

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{668599}}^1$

素因数の和:668931

約数の個数: 16

約数和(自身を含む): 32734656000

約数和(自身を除く): 11354197178

約数列:

[1, 2, 59, 118, 271, 542, 15989, 31978, 668599, 1337198, 39447341, 78894682, 181190329, 362380658, 10690229411, 21380458822]

約数ペア:

[(1, 21380458822), (2, 10690229411), (59, 362380658), (118, 181190329), (271, 78894682), (542, 39447341), (15989, 1337198), (31978, 668599)]