21360445

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2087}}^1$

素因数の和:2204

約数の個数: 16

約数和(自身を含む): 27060480

約数和(自身を除く): 5700035

約数列:

[1, 5, 23, 89, 115, 445, 2047, 2087, 10235, 10435, 48001, 185743, 240005, 928715, 4272089, 21360445]

約数ペア:

[(1, 21360445), (5, 4272089), (23, 928715), (89, 240005), (115, 185743), (445, 48001), (2047, 10435), (2087, 10235)]