21040672

素因数分解:

$2^5\times {\mathrm{673}}^1\times {\mathrm{977}}^1$

素因数の和:1660

約数の個数: 24

約数和(自身を含む): 41527836

約数和(自身を除く): 20487164

約数列:

[1, 2, 4, 8, 16, 32, 673, 977, 1346, 1954, 2692, 3908, 5384, 7816, 10768, 15632, 21536, 31264, 657521, 1315042, 2630084, 5260168, 10520336, 21040672]

約数ペア:

[(1, 21040672), (2, 10520336), (4, 5260168), (8, 2630084), (16, 1315042), (32, 657521), (673, 31264), (977, 21536), (1346, 15632), (1954, 10768), (2692, 7816), (3908, 5384)]