21084388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8627}}^1$

素因数の和:8691

約数の個数: 24

約数和(自身を含む): 40586112

約数和(自身を除く): 19501724

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8627, 17254, 34508, 112151, 224302, 405469, 448604, 810938, 1621876, 5271097, 10542194, 21084388]

約数ペア:

[(1, 21084388), (2, 10542194), (4, 5271097), (13, 1621876), (26, 810938), (47, 448604), (52, 405469), (94, 224302), (188, 112151), (611, 34508), (1222, 17254), (2444, 8627)]