21773708

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44987}}^1$

素因数の和:45013

約数の個数: 18

約数和(自身を含む): 41883828

約数和(自身を除く): 20110120

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44987, 89974, 179948, 494857, 989714, 1979428, 5443427, 10886854, 21773708]

約数ペア:

[(1, 21773708), (2, 10886854), (4, 5443427), (11, 1979428), (22, 989714), (44, 494857), (121, 179948), (242, 89974), (484, 44987)]