21937168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124643}}^1$

素因数の和:124662

約数の個数: 20

約数和(自身を含む): 46367568

約数和(自身を除く): 24430400

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124643, 249286, 498572, 997144, 1371073, 1994288, 2742146, 5484292, 10968584, 21937168]

約数ペア:

[(1, 21937168), (2, 10968584), (4, 5484292), (8, 2742146), (11, 1994288), (16, 1371073), (22, 997144), (44, 498572), (88, 249286), (176, 124643)]