21605510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{93937}}^1$

素因数の和:93967

約数の個数: 16

約数和(自身を含む): 40581216

約数和(自身を除く): 18975706

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 93937, 187874, 469685, 939370, 2160551, 4321102, 10802755, 21605510]

約数ペア:

[(1, 21605510), (2, 10802755), (5, 4321102), (10, 2160551), (23, 939370), (46, 469685), (115, 187874), (230, 93937)]