21388384

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{14221}}^1$

素因数の和:14278

約数の個数: 24

約数和(自身を含む): 43007328

約数和(自身を除く): 21618944

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 14221, 28442, 56884, 113768, 227536, 455072, 668387, 1336774, 2673548, 5347096, 10694192, 21388384]

約数ペア:

[(1, 21388384), (2, 10694192), (4, 5347096), (8, 2673548), (16, 1336774), (32, 668387), (47, 455072), (94, 227536), (188, 113768), (376, 56884), (752, 28442), (1504, 14221)]