21699128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1291}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 22952392

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 191, 382, 764, 1291, 1528, 2101, 2582, 4202, 5164, 8404, 10328, 14201, 16808, 28402, 56804, 113608, 246581, 493162, 986324, 1972648, 2712391, 5424782, 10849564, 21699128]

約数ペア:

[(1, 21699128), (2, 10849564), (4, 5424782), (8, 2712391), (11, 1972648), (22, 986324), (44, 493162), (88, 246581), (191, 113608), (382, 56804), (764, 28402), (1291, 16808), (1528, 14201), (2101, 10328), (2582, 8404), (4202, 5164)]