21241226

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{673}}^1$

素因数の和:1085

約数の個数: 16

約数和(自身を含む): 32740224

約数和(自身を除く): 11498998

約数列:

[1, 2, 43, 86, 367, 673, 734, 1346, 15781, 28939, 31562, 57878, 246991, 493982, 10620613, 21241226]

約数ペア:

[(1, 21241226), (2, 10620613), (43, 493982), (86, 246991), (367, 57878), (673, 31562), (734, 28939), (1346, 15781)]