21616864

素因数分解:

$2^5\times {\mathrm{317}}^1\times {\mathrm{2131}}^1$

素因数の和:2458

約数の個数: 24

約数和(自身を含む): 42712488

約数和(自身を除く): 21095624

約数列:

[1, 2, 4, 8, 16, 32, 317, 634, 1268, 2131, 2536, 4262, 5072, 8524, 10144, 17048, 34096, 68192, 675527, 1351054, 2702108, 5404216, 10808432, 21616864]

約数ペア:

[(1, 21616864), (2, 10808432), (4, 5404216), (8, 2702108), (16, 1351054), (32, 675527), (317, 68192), (634, 34096), (1268, 17048), (2131, 10144), (2536, 8524), (4262, 5072)]