21322863

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 11025297

約数列:

[1, 3, 9, 23, 69, 207, 239, 431, 717, 1293, 2151, 3879, 5497, 9913, 16491, 29739, 49473, 89217, 103009, 309027, 927081, 2369207, 7107621, 21322863]

約数ペア:

[(1, 21322863), (3, 7107621), (9, 2369207), (23, 927081), (69, 309027), (207, 103009), (239, 89217), (431, 49473), (717, 29739), (1293, 16491), (2151, 9913), (3879, 5497)]