21335152

素因数分解:

$2^4\times {\mathrm{577}}^1\times {\mathrm{2311}}^1$

素因数の和:2896

約数の個数: 20

約数和(自身を含む): 41426416

約数和(自身を除く): 20091264

約数列:

[1, 2, 4, 8, 16, 577, 1154, 2308, 2311, 4616, 4622, 9232, 9244, 18488, 36976, 1333447, 2666894, 5333788, 10667576, 21335152]

約数ペア:

[(1, 21335152), (2, 10667576), (4, 5333788), (8, 2666894), (16, 1333447), (577, 36976), (1154, 18488), (2308, 9244), (2311, 9232), (4616, 4622)]