21536752

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18439}}^1$

素因数の和:18520

約数の個数: 20

約数和(自身を含む): 42301360

約数和(自身を除く): 20764608

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18439, 36878, 73756, 147512, 295024, 1346047, 2692094, 5384188, 10768376, 21536752]

約数ペア:

[(1, 21536752), (2, 10768376), (4, 5384188), (8, 2692094), (16, 1346047), (73, 295024), (146, 147512), (292, 73756), (584, 36878), (1168, 18439)]