212747818633

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{21388139}}^1$

素因数の和:21388189

約数の個数: 16

約数和(自身を含む): 256657680000

約数和(自身を除く): 43909861367

約数列:

[1, 7, 29, 49, 203, 343, 1421, 9947, 21388139, 149716973, 620256031, 1048018811, 4341792217, 7336131677, 30392545519, 212747818633]

約数ペア:

[(1, 212747818633), (7, 30392545519), (29, 7336131677), (49, 4341792217), (203, 1048018811), (343, 620256031), (1421, 149716973), (9947, 21388139)]