21017098

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1\times {\mathrm{643}}^1$

素因数の和:981

約数の個数: 16

約数和(自身を含む): 32225760

約数和(自身を除く): 11208662

約数列:

[1, 2, 59, 118, 277, 554, 643, 1286, 16343, 32686, 37937, 75874, 178111, 356222, 10508549, 21017098]

約数ペア:

[(1, 21017098), (2, 10508549), (59, 356222), (118, 178111), (277, 75874), (554, 37937), (643, 32686), (1286, 16343)]