21438966

素因数分解:

$2^1\times 3^1\times {\mathrm{691}}^1\times {\mathrm{5171}}^1$

素因数の和:5867

約数の個数: 16

約数和(自身を含む): 42948288

約数和(自身を除く): 21509322

約数列:

[1, 2, 3, 6, 691, 1382, 2073, 4146, 5171, 10342, 15513, 31026, 3573161, 7146322, 10719483, 21438966]

約数ペア:

[(1, 21438966), (2, 10719483), (3, 7146322), (6, 3573161), (691, 31026), (1382, 15513), (2073, 10342), (4146, 5171)]