21258272

素因数分解:

$2^5\times 7^1\times {\mathrm{94903}}^1$

素因数の和:94920

約数の個数: 24

約数和(自身を含む): 47831616

約数和(自身を除く): 26573344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 94903, 189806, 379612, 664321, 759224, 1328642, 1518448, 2657284, 3036896, 5314568, 10629136, 21258272]

約数ペア:

[(1, 21258272), (2, 10629136), (4, 5314568), (7, 3036896), (8, 2657284), (14, 1518448), (16, 1328642), (28, 759224), (32, 664321), (56, 379612), (112, 189806), (224, 94903)]