21986824

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{67033}}^1$

素因数の和:67080

約数の個数: 16

約数和(自身を含む): 42231420

約数和(自身を除く): 20244596

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 67033, 134066, 268132, 536264, 2748353, 5496706, 10993412, 21986824]

約数ペア:

[(1, 21986824), (2, 10993412), (4, 5496706), (8, 2748353), (41, 536264), (82, 268132), (164, 134066), (328, 67033)]