2021337431390

素因数分解:

$2^1\times 5^1\times {\mathrm{821879}}^1\times {\mathrm{245941}}^1$

素因数の和:1067827

約数の個数: 16

約数和(自身を含む): 3638426597280

約数和(自身を除く): 1617089165890

約数列:

[1, 2, 5, 10, 245941, 491882, 821879, 1229705, 1643758, 2459410, 4109395, 8218790, 202133743139, 404267486278, 1010668715695, 2021337431390]

約数ペア:

[(1, 2021337431390), (2, 1010668715695), (5, 404267486278), (10, 202133743139), (245941, 8218790), (491882, 4109395), (821879, 2459410), (1229705, 1643758)]