21305254

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2675

約数の個数: 16

約数和(自身を含む): 32970240

約数和(自身を除く): 11664986

約数列:

[1, 2, 59, 71, 118, 142, 2543, 4189, 5086, 8378, 150037, 180553, 300074, 361106, 10652627, 21305254]

約数ペア:

[(1, 21305254), (2, 10652627), (59, 361106), (71, 300074), (118, 180553), (142, 150037), (2543, 8378), (4189, 5086)]