21158045286403

素因数分解:

${\mathrm{397}}^1\times {\mathrm{401}}^1\times {\mathrm{647}}^1\times {\mathrm{205417}}^1$

素因数の和:206862

約数の個数: 16

約数和(自身を含む): 21297205796544

約数和(自身を除く): 139160510141

約数列:

[1, 397, 401, 647, 159197, 205417, 256859, 259447, 81550549, 82372217, 103000459, 132904799, 32701770149, 52763205203, 53294824399, 21158045286403]

約数ペア:

[(1, 21158045286403), (397, 53294824399), (401, 52763205203), (647, 32701770149), (159197, 132904799), (205417, 103000459), (256859, 82372217), (259447, 81550549)]