21145758

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{26903}}^1$

素因数の和:27039

約数の個数: 16

約数和(自身を含む): 42615936

約数和(自身を除く): 21470178

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 26903, 53806, 80709, 161418, 3524293, 7048586, 10572879, 21145758]

約数ペア:

[(1, 21145758), (2, 10572879), (3, 7048586), (6, 3524293), (131, 161418), (262, 80709), (393, 53806), (786, 26903)]