21064394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47657}}^1$

素因数の和:47689

約数の個数: 16

約数和(自身を含む): 36029448

約数和(自身を除く): 14965054

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47657, 95314, 619541, 810169, 1239082, 1620338, 10532197, 21064394]

約数ペア:

[(1, 21064394), (2, 10532197), (13, 1620338), (17, 1239082), (26, 810169), (34, 619541), (221, 95314), (442, 47657)]