21107482

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{87221}}^1$

素因数の和:87245

約数の個数: 12

約数和(自身を含む): 34801578

約数和(自身を除く): 13694096

約数列:

[1, 2, 11, 22, 121, 242, 87221, 174442, 959431, 1918862, 10553741, 21107482]

約数ペア:

[(1, 21107482), (2, 10553741), (11, 1918862), (22, 959431), (121, 174442), (242, 87221)]