21445670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126151}}^1$

素因数の和:126175

約数の個数: 16

約数和(自身を含む): 40873248

約数和(自身を除く): 19427578

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 126151, 252302, 630755, 1261510, 2144567, 4289134, 10722835, 21445670]

約数ペア:

[(1, 21445670), (2, 10722835), (5, 4289134), (10, 2144567), (17, 1261510), (34, 630755), (85, 252302), (170, 126151)]