21556304

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17497}}^1$

素因数の和:17523

約数の個数: 40

約数和(自身を含む): 52074048

約数和(自身を除く): 30517744

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17497, 34994, 69988, 122479, 139976, 192467, 244958, 279952, 384934, 489916, 769868, 979832, 1347269, 1539736, 1959664, 2694538, 3079472, 5389076, 10778152, 21556304]

約数ペア:

[(1, 21556304), (2, 10778152), (4, 5389076), (7, 3079472), (8, 2694538), (11, 1959664), (14, 1539736), (16, 1347269), (22, 979832), (28, 769868), (44, 489916), (56, 384934), (77, 279952), (88, 244958), (112, 192467), (154, 139976), (176, 122479), (308, 69988), (616, 34994), (1232, 17497)]