21000814906

素因数分解:

$2^1\times {\mathrm{28151}}^1\times {\mathrm{373003}}^1$

素因数の和:401156

約数の個数: 8

約数和(自身を含む): 31502425824

約数和(自身を除く): 10501610918

約数列:

[1, 2, 28151, 56302, 373003, 746006, 10500407453, 21000814906]

約数ペア:

[(1, 21000814906), (2, 10500407453), (28151, 746006), (56302, 373003)]