21126054

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 43263360

約数和(自身を除く): 22137306

約数列:

[1, 2, 3, 6, 73, 139, 146, 219, 278, 347, 417, 438, 694, 834, 1041, 2082, 10147, 20294, 25331, 30441, 48233, 50662, 60882, 75993, 96466, 144699, 151986, 289398, 3521009, 7042018, 10563027, 21126054]

約数ペア:

[(1, 21126054), (2, 10563027), (3, 7042018), (6, 3521009), (73, 289398), (139, 151986), (146, 144699), (219, 96466), (278, 75993), (347, 60882), (417, 50662), (438, 48233), (694, 30441), (834, 25331), (1041, 20294), (2082, 10147)]