21702992

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9901}}^1$

素因数の和:10046

約数の個数: 20

約数和(自身を含む): 42360756

約数和(自身を除く): 20657764

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9901, 19802, 39604, 79208, 158416, 1356437, 2712874, 5425748, 10851496, 21702992]

約数ペア:

[(1, 21702992), (2, 10851496), (4, 5425748), (8, 2712874), (16, 1356437), (137, 158416), (274, 79208), (548, 39604), (1096, 19802), (2192, 9901)]