21115446

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{319931}}^1$

素因数の和:319947

約数の個数: 16

約数和(自身を含む): 46070208

約数和(自身を除く): 24954762

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 319931, 639862, 959793, 1919586, 3519241, 7038482, 10557723, 21115446]

約数ペア:

[(1, 21115446), (2, 10557723), (3, 7038482), (6, 3519241), (11, 1919586), (22, 959793), (33, 639862), (66, 319931)]