21093772

素因数分解:

$2^2\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1103}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 42287616

約数和(自身を除く): 21193844

約数列:

[1, 2, 4, 7, 14, 28, 683, 1103, 1366, 2206, 2732, 4412, 4781, 7721, 9562, 15442, 19124, 30884, 753349, 1506698, 3013396, 5273443, 10546886, 21093772]

約数ペア:

[(1, 21093772), (2, 10546886), (4, 5273443), (7, 3013396), (14, 1506698), (28, 753349), (683, 30884), (1103, 19124), (1366, 15442), (2206, 9562), (2732, 7721), (4412, 4781)]