21070093

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 24744384

約数和(自身を除く): 3674291

約数列:

[1, 11, 23, 67, 113, 121, 253, 737, 1243, 1541, 2599, 2783, 7571, 8107, 13673, 16951, 28589, 83281, 174133, 186461, 314479, 916091, 1915463, 21070093]

約数ペア:

[(1, 21070093), (11, 1915463), (23, 916091), (67, 314479), (113, 186461), (121, 174133), (253, 83281), (737, 28589), (1243, 16951), (1541, 13673), (2599, 8107), (2783, 7571)]