21000643258

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{609527}}^1$

素因数の和:609666

約数の個数: 32

約数和(自身を含む): 37917517824

約数和(自身を除く): 16916874566

約数列:

[1, 2, 7, 14, 23, 46, 107, 161, 214, 322, 749, 1498, 2461, 4922, 17227, 34454, 609527, 1219054, 4266689, 8533378, 14019121, 28038242, 65219389, 98133847, 130438778, 196267694, 456535723, 913071446, 1500045947, 3000091894, 10500321629, 21000643258]

約数ペア:

[(1, 21000643258), (2, 10500321629), (7, 3000091894), (14, 1500045947), (23, 913071446), (46, 456535723), (107, 196267694), (161, 130438778), (214, 98133847), (322, 65219389), (749, 28038242), (1498, 14019121), (2461, 8533378), (4922, 4266689), (17227, 1219054), (34454, 609527)]