21483063

素因数分解:

$3^4\times 7^1\times {\mathrm{37889}}^1$

素因数の和:37908

約数の個数: 20

約数和(自身を含む): 36677520

約数和(自身を除く): 15194457

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 37889, 113667, 265223, 341001, 795669, 1023003, 2387007, 3069009, 7161021, 21483063]

約数ペア:

[(1, 21483063), (3, 7161021), (7, 3069009), (9, 2387007), (21, 1023003), (27, 795669), (63, 341001), (81, 265223), (189, 113667), (567, 37889)]