21000359619

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{2335709}}^1$

素因数の和:2335761

約数の個数: 24

約数和(自身を含む): 32307540720

約数和(自身を除く): 11307181101

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2997, 8991, 2335709, 7007127, 21021381, 63064143, 86421233, 189192429, 259263699, 567577287, 777791097, 2333373291, 7000119873, 21000359619]

約数ペア:

[(1, 21000359619), (3, 7000119873), (9, 2333373291), (27, 777791097), (37, 567577287), (81, 259263699), (111, 189192429), (243, 86421233), (333, 63064143), (999, 21021381), (2997, 7007127), (8991, 2335709)]