21834323

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 25927680

約数和(自身を除く): 4093357

約数列:

[1, 7, 31, 217, 239, 421, 1673, 2947, 7409, 13051, 51863, 91357, 100619, 704333, 3119189, 21834323]

約数ペア:

[(1, 21834323), (7, 3119189), (31, 704333), (217, 100619), (239, 91357), (421, 51863), (1673, 13051), (2947, 7409)]