21387246

素因数分解:

$2^1\times 3^1\times {\mathrm{971}}^1\times {\mathrm{3671}}^1$

素因数の和:4647

約数の個数: 16

約数和(自身を含む): 42830208

約数和(自身を除く): 21442962

約数列:

[1, 2, 3, 6, 971, 1942, 2913, 3671, 5826, 7342, 11013, 22026, 3564541, 7129082, 10693623, 21387246]

約数ペア:

[(1, 21387246), (2, 10693623), (3, 7129082), (6, 3564541), (971, 22026), (1942, 11013), (2913, 7342), (3671, 5826)]