21447352

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{141101}}^1$

素因数の和:141126

約数の個数: 16

約数和(自身を含む): 42330600

約数和(自身を除く): 20883248

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 141101, 282202, 564404, 1128808, 2680919, 5361838, 10723676, 21447352]

約数ペア:

[(1, 21447352), (2, 10723676), (4, 5361838), (8, 2680919), (19, 1128808), (38, 564404), (76, 282202), (152, 141101)]