21717248

素因数分解:

$2^8\times 7^1\times {\mathrm{12119}}^1$

素因数の和:12142

約数の個数: 36

約数和(自身を含む): 49546560

約数和(自身を除く): 27829312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 12119, 24238, 48476, 84833, 96952, 169666, 193904, 339332, 387808, 678664, 775616, 1357328, 1551232, 2714656, 3102464, 5429312, 10858624, 21717248]

約数ペア:

[(1, 21717248), (2, 10858624), (4, 5429312), (7, 3102464), (8, 2714656), (14, 1551232), (16, 1357328), (28, 775616), (32, 678664), (56, 387808), (64, 339332), (112, 193904), (128, 169666), (224, 96952), (256, 84833), (448, 48476), (896, 24238), (1792, 12119)]