21152802797

素因数分解:

$7^5\times {\mathrm{29}}^1\times {\mathrm{43399}}^1$

素因数の和:43463

約数の個数: 24

約数和(自身を含む): 25529616000

約数和(自身を除く): 4376813203

約数列:

[1, 7, 29, 49, 203, 343, 1421, 2401, 9947, 16807, 43399, 69629, 303793, 487403, 1258571, 2126551, 8809997, 14885857, 61669979, 104200999, 431689853, 729406993, 3021828971, 21152802797]

約数ペア:

[(1, 21152802797), (7, 3021828971), (29, 729406993), (49, 431689853), (203, 104200999), (343, 61669979), (1421, 14885857), (2401, 8809997), (9947, 2126551), (16807, 1258571), (43399, 487403), (69629, 303793)]