21411112

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{4049}}^1$

素因数の和:4716

約数の個数: 16

約数和(自身を含む): 40216500

約数和(自身を除く): 18805388

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 4049, 5288, 8098, 16196, 32392, 2676389, 5352778, 10705556, 21411112]

約数ペア:

[(1, 21411112), (2, 10705556), (4, 5352778), (8, 2676389), (661, 32392), (1322, 16196), (2644, 8098), (4049, 5288)]