21870352

素因数分解:

$2^4\times 7^1\times {\mathrm{195271}}^1$

素因数の和:195286

約数の個数: 20

約数和(自身を含む): 48427456

約数和(自身を除く): 26557104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195271, 390542, 781084, 1366897, 1562168, 2733794, 3124336, 5467588, 10935176, 21870352]

約数ペア:

[(1, 21870352), (2, 10935176), (4, 5467588), (7, 3124336), (8, 2733794), (14, 1562168), (16, 1366897), (28, 781084), (56, 390542), (112, 195271)]