21119758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14805362

約数列:

[1, 2, 11, 22, 53, 59, 106, 118, 307, 583, 614, 649, 1166, 1298, 3127, 3377, 6254, 6754, 16271, 18113, 32542, 34397, 36226, 68794, 178981, 199243, 357962, 398486, 959989, 1919978, 10559879, 21119758]

約数ペア:

[(1, 21119758), (2, 10559879), (11, 1919978), (22, 959989), (53, 398486), (59, 357962), (106, 199243), (118, 178981), (307, 68794), (583, 36226), (614, 34397), (649, 32542), (1166, 18113), (1298, 16271), (3127, 6754), (3377, 6254)]