21016534

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136471}}^1$

素因数の和:136491

約数の個数: 16

約数和(自身を含む): 39303936

約数和(自身を除く): 18287402

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136471, 272942, 955297, 1501181, 1910594, 3002362, 10508267, 21016534]

約数ペア:

[(1, 21016534), (2, 10508267), (7, 3002362), (11, 1910594), (14, 1501181), (22, 955297), (77, 272942), (154, 136471)]