21800768

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:375

約数の個数: 56

約数和(自身を含む): 47731680

約数和(自身を除く): 25930912

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 173, 176, 179, 346, 352, 358, 692, 704, 716, 1384, 1432, 1903, 1969, 2768, 2864, 3806, 3938, 5536, 5728, 7612, 7876, 11072, 11456, 15224, 15752, 30448, 30967, 31504, 60896, 61934, 63008, 121792, 123868, 126016, 247736, 340637, 495472, 681274, 990944, 1362548, 1981888, 2725096, 5450192, 10900384, 21800768]

約数ペア:

[(1, 21800768), (2, 10900384), (4, 5450192), (8, 2725096), (11, 1981888), (16, 1362548), (22, 990944), (32, 681274), (44, 495472), (64, 340637), (88, 247736), (173, 126016), (176, 123868), (179, 121792), (346, 63008), (352, 61934), (358, 60896), (692, 31504), (704, 30967), (716, 30448), (1384, 15752), (1432, 15224), (1903, 11456), (1969, 11072), (2768, 7876), (2864, 7612), (3806, 5728), (3938, 5536)]