21694310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197221}}^1$

素因数の和:197239

約数の個数: 16

約数和(自身を含む): 42599952

約数和(自身を除く): 20905642

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197221, 394442, 986105, 1972210, 2169431, 4338862, 10847155, 21694310]

約数ペア:

[(1, 21694310), (2, 10847155), (5, 4338862), (10, 2169431), (11, 1972210), (22, 986105), (55, 394442), (110, 197221)]