21504304

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{16193}}^1$

素因数の和:16284

約数の個数: 20

約数和(自身を含む): 42169176

約数和(自身を除く): 20664872

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 16193, 32386, 64772, 129544, 259088, 1344019, 2688038, 5376076, 10752152, 21504304]

約数ペア:

[(1, 21504304), (2, 10752152), (4, 5376076), (8, 2688038), (16, 1344019), (83, 259088), (166, 129544), (332, 64772), (664, 32386), (1328, 16193)]