21609736

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{62819}}^1$

素因数の和:62868

約数の個数: 16

約数和(自身を含む): 41461200

約数和(自身を除く): 19851464

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 62819, 125638, 251276, 502552, 2701217, 5402434, 10804868, 21609736]

約数ペア:

[(1, 21609736), (2, 10804868), (4, 5402434), (8, 2701217), (43, 502552), (86, 251276), (172, 125638), (344, 62819)]