21756065

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2153}}^1$

素因数の和:2248

約数の個数: 16

約数和(自身を含む): 27295488

約数和(自身を除く): 5539423

約数列:

[1, 5, 43, 47, 215, 235, 2021, 2153, 10105, 10765, 92579, 101191, 462895, 505955, 4351213, 21756065]

約数ペア:

[(1, 21756065), (5, 4351213), (43, 505955), (47, 462895), (215, 101191), (235, 92579), (2021, 10765), (2153, 10105)]