21184958

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{1439}}^1$

素因数の和:1891

約数の個数: 16

約数和(自身を含む): 33747840

約数和(自身を除く): 12562882

約数列:

[1, 2, 17, 34, 433, 866, 1439, 2878, 7361, 14722, 24463, 48926, 623087, 1246174, 10592479, 21184958]

約数ペア:

[(1, 21184958), (2, 10592479), (17, 1246174), (34, 623087), (433, 48926), (866, 24463), (1439, 14722), (2878, 7361)]