21085518

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{113363}}^1$

素因数の和:113399

約数の個数: 16

約数和(自身を含む): 43531776

約数和(自身を除く): 22446258

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 113363, 226726, 340089, 680178, 3514253, 7028506, 10542759, 21085518]

約数ペア:

[(1, 21085518), (2, 10542759), (3, 7028506), (6, 3514253), (31, 680178), (62, 340089), (93, 226726), (186, 113363)]