21400157210

素因数分解:

$2^1\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{2036171}}^1$

素因数の和:2037229

約数の個数: 16

約数和(自身を含む): 38556952992

約数和(自身を除く): 17156795782

約数列:

[1, 2, 5, 10, 1051, 2102, 5255, 10510, 2036171, 4072342, 10180855, 20361710, 2140015721, 4280031442, 10700078605, 21400157210]

約数ペア:

[(1, 21400157210), (2, 10700078605), (5, 4280031442), (10, 2140015721), (1051, 20361710), (2102, 10180855), (5255, 4072342), (10510, 2036171)]