21869144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1373}}^1$

素因数の和:1571

約数の個数: 32

約数和(自身を含む): 45012240

約数和(自身を除く): 23143096

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 181, 362, 724, 1373, 1448, 1991, 2746, 3982, 5492, 7964, 10984, 15103, 15928, 30206, 60412, 120824, 248513, 497026, 994052, 1988104, 2733643, 5467286, 10934572, 21869144]

約数ペア:

[(1, 21869144), (2, 10934572), (4, 5467286), (8, 2733643), (11, 1988104), (22, 994052), (44, 497026), (88, 248513), (181, 120824), (362, 60412), (724, 30206), (1373, 15928), (1448, 15103), (1991, 10984), (2746, 7964), (3982, 5492)]