21364040

素因数分解:

$2^3\times 5^1\times {\mathrm{534101}}^1$

素因数の和:534112

約数の個数: 16

約数和(自身を含む): 48069180

約数和(自身を除く): 26705140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 534101, 1068202, 2136404, 2670505, 4272808, 5341010, 10682020, 21364040]

約数ペア:

[(1, 21364040), (2, 10682020), (4, 5341010), (5, 4272808), (8, 2670505), (10, 2136404), (20, 1068202), (40, 534101)]