21516712

素因数分解:

$2^3\times 7^1\times {\mathrm{384227}}^1$

素因数の和:384240

約数の個数: 16

約数和(自身を含む): 46107360

約数和(自身を除く): 24590648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 384227, 768454, 1536908, 2689589, 3073816, 5379178, 10758356, 21516712]

約数ペア:

[(1, 21516712), (2, 10758356), (4, 5379178), (7, 3073816), (8, 2689589), (14, 1536908), (28, 768454), (56, 384227)]