21123169648

素因数分解:

$2^4\times 7^1\times {\mathrm{188599729}}^1$

素因数の和:188599744

約数の個数: 20

約数和(自身を含む): 46772733040

約数和(自身を除く): 25649563392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188599729, 377199458, 754398916, 1320198103, 1508797832, 2640396206, 3017595664, 5280792412, 10561584824, 21123169648]

約数ペア:

[(1, 21123169648), (2, 10561584824), (4, 5280792412), (7, 3017595664), (8, 2640396206), (14, 1508797832), (16, 1320198103), (28, 754398916), (56, 377199458), (112, 188599729)]