21964292

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{8087}}^1$

素因数の和:8195

約数の個数: 24

約数和(自身を含む): 44386944

約数和(自身を除く): 22422652

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 8087, 16174, 32348, 56609, 113218, 226436, 784439, 1568878, 3137756, 5491073, 10982146, 21964292]

約数ペア:

[(1, 21964292), (2, 10982146), (4, 5491073), (7, 3137756), (14, 1568878), (28, 784439), (97, 226436), (194, 113218), (388, 56609), (679, 32348), (1358, 16174), (2716, 8087)]