21765935

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4027}}^1$

素因数の和:4102

約数の個数: 16

約数和(自身を含む): 27841536

約数和(自身を除く): 6075601

約数列:

[1, 5, 23, 47, 115, 235, 1081, 4027, 5405, 20135, 92621, 189269, 463105, 946345, 4353187, 21765935]

約数ペア:

[(1, 21765935), (5, 4353187), (23, 946345), (47, 463105), (115, 189269), (235, 92621), (1081, 20135), (4027, 5405)]