21109744

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2887}}^1$

素因数の和:3352

約数の個数: 20

約数和(自身を含む): 41003824

約数和(自身を除く): 19894080

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2887, 3656, 5774, 7312, 11548, 23096, 46192, 1319359, 2638718, 5277436, 10554872, 21109744]

約数ペア:

[(1, 21109744), (2, 10554872), (4, 5277436), (8, 2638718), (16, 1319359), (457, 46192), (914, 23096), (1828, 11548), (2887, 7312), (3656, 5774)]