21000851934

素因数分解:

$2^1\times 3^1\times {\mathrm{6781}}^1\times {\mathrm{516169}}^1$

素因数の和:522955

約数の個数: 16

約数和(自身を含む): 42007979280

約数和(自身を除く): 21007127346

約数列:

[1, 2, 3, 6, 6781, 13562, 20343, 40686, 516169, 1032338, 1548507, 3097014, 3500141989, 7000283978, 10500425967, 21000851934]

約数ペア:

[(1, 21000851934), (2, 10500425967), (3, 7000283978), (6, 3500141989), (6781, 3097014), (13562, 1548507), (20343, 1032338), (40686, 516169)]