21046755

素因数分解:

$3^1\times 5^1\times {\mathrm{967}}^1\times {\mathrm{1451}}^1$

素因数の和:2426

約数の個数: 16

約数和(自身を含む): 33732864

約数和(自身を除く): 12686109

約数列:

[1, 3, 5, 15, 967, 1451, 2901, 4353, 4835, 7255, 14505, 21765, 1403117, 4209351, 7015585, 21046755]

約数ペア:

[(1, 21046755), (3, 7015585), (5, 4209351), (15, 1403117), (967, 21765), (1451, 14505), (2901, 7255), (4353, 4835)]