21199782

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10939}}^1$

素因数の和:10980

約数の個数: 32

約数和(自身を含む): 47260800

約数和(自身を除く): 26061018

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 646, 969, 1938, 10939, 21878, 32817, 65634, 185963, 207841, 371926, 415682, 557889, 623523, 1115778, 1247046, 3533297, 7066594, 10599891, 21199782]

約数ペア:

[(1, 21199782), (2, 10599891), (3, 7066594), (6, 3533297), (17, 1247046), (19, 1115778), (34, 623523), (38, 557889), (51, 415682), (57, 371926), (102, 207841), (114, 185963), (323, 65634), (646, 32817), (969, 21878), (1938, 10939)]