21880130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{95131}}^1$

素因数の和:95161

約数の個数: 16

約数和(自身を含む): 41097024

約数和(自身を除く): 19216894

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 95131, 190262, 475655, 951310, 2188013, 4376026, 10940065, 21880130]

約数ペア:

[(1, 21880130), (2, 10940065), (5, 4376026), (10, 2188013), (23, 951310), (46, 475655), (115, 190262), (230, 95131)]