21000273812

素因数分解:

$2^2\times 7^1\times {\mathrm{4273}}^1\times {\mathrm{175523}}^1$

素因数の和:179807

約数の個数: 24

約数和(自身を含む): 42010616256

約数和(自身を除く): 21010342444

約数列:

[1, 2, 4, 7, 14, 28, 4273, 8546, 17092, 29911, 59822, 119644, 175523, 351046, 702092, 1228661, 2457322, 4914644, 750009779, 1500019558, 3000039116, 5250068453, 10500136906, 21000273812]

約数ペア:

[(1, 21000273812), (2, 10500136906), (4, 5250068453), (7, 3000039116), (14, 1500019558), (28, 750009779), (4273, 4914644), (8546, 2457322), (17092, 1228661), (29911, 702092), (59822, 351046), (119644, 175523)]