21206834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3557}}^1$

素因数の和:3841

約数の個数: 16

約数和(自身を含む): 34839936

約数和(自身を除く): 13633102

約数列:

[1, 2, 11, 22, 271, 542, 2981, 3557, 5962, 7114, 39127, 78254, 963947, 1927894, 10603417, 21206834]

約数ペア:

[(1, 21206834), (2, 10603417), (11, 1927894), (22, 963947), (271, 78254), (542, 39127), (2981, 7114), (3557, 5962)]