21497432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1279}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 44236800

約数和(自身を除く): 22739368

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 191, 382, 764, 1279, 1528, 2101, 2558, 4202, 5116, 8404, 10232, 14069, 16808, 28138, 56276, 112552, 244289, 488578, 977156, 1954312, 2687179, 5374358, 10748716, 21497432]

約数ペア:

[(1, 21497432), (2, 10748716), (4, 5374358), (8, 2687179), (11, 1954312), (22, 977156), (44, 488578), (88, 244289), (191, 112552), (382, 56276), (764, 28138), (1279, 16808), (1528, 14069), (2101, 10232), (2558, 8404), (4202, 5116)]