21918302

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{50503}}^1$

素因数の和:50543

約数の個数: 16

約数和(自身を含む): 38787072

約数和(自身を除く): 16868770

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 50503, 101006, 353521, 707042, 1565593, 3131186, 10959151, 21918302]

約数ペア:

[(1, 21918302), (2, 10959151), (7, 3131186), (14, 1565593), (31, 707042), (62, 353521), (217, 101006), (434, 50503)]