21383138

素因数分解:

$2^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{2339}}^1$

素因数の和:3001

約数の個数: 16

約数和(自身を含む): 36728640

約数和(自身を除く): 15345502

約数列:

[1, 2, 7, 14, 653, 1306, 2339, 4571, 4678, 9142, 16373, 32746, 1527367, 3054734, 10691569, 21383138]

約数ペア:

[(1, 21383138), (2, 10691569), (7, 3054734), (14, 1527367), (653, 32746), (1306, 16373), (2339, 9142), (4571, 4678)]