21668864

素因数分解:

$2^{10}\times 7^1\times {\mathrm{3023}}^1$

素因数の和:3050

約数の個数: 44

約数和(自身を含む): 49521024

約数和(自身を除く): 27852160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3023, 3584, 6046, 7168, 12092, 21161, 24184, 42322, 48368, 84644, 96736, 169288, 193472, 338576, 386944, 677152, 773888, 1354304, 1547776, 2708608, 3095552, 5417216, 10834432, 21668864]

約数ペア:

[(1, 21668864), (2, 10834432), (4, 5417216), (7, 3095552), (8, 2708608), (14, 1547776), (16, 1354304), (28, 773888), (32, 677152), (56, 386944), (64, 338576), (112, 193472), (128, 169288), (224, 96736), (256, 84644), (448, 48368), (512, 42322), (896, 24184), (1024, 21161), (1792, 12092), (3023, 7168), (3584, 6046)]