21836820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363947}}^1$

素因数の和:363959

約数の個数: 24

約数和(自身を含む): 61143264

約数和(自身を除く): 39306444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363947, 727894, 1091841, 1455788, 1819735, 2183682, 3639470, 4367364, 5459205, 7278940, 10918410, 21836820]

約数ペア:

[(1, 21836820), (2, 10918410), (3, 7278940), (4, 5459205), (5, 4367364), (6, 3639470), (10, 2183682), (12, 1819735), (15, 1455788), (20, 1091841), (30, 727894), (60, 363947)]