21512786

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{6143}}^1$

素因数の和:6265

約数の個数: 16

約数和(自身を含む): 34504704

約数和(自身を除く): 12991918

約数列:

[1, 2, 17, 34, 103, 206, 1751, 3502, 6143, 12286, 104431, 208862, 632729, 1265458, 10756393, 21512786]

約数ペア:

[(1, 21512786), (2, 10756393), (17, 1265458), (34, 632729), (103, 208862), (206, 104431), (1751, 12286), (3502, 6143)]