21002884

素因数分解:

$2^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{2011}}^1$

素因数の和:2395

約数の個数: 24

約数和(自身を含む): 42139328

約数和(自身を除く): 21136444

約数列:

[1, 2, 4, 7, 14, 28, 373, 746, 1492, 2011, 2611, 4022, 5222, 8044, 10444, 14077, 28154, 56308, 750103, 1500206, 3000412, 5250721, 10501442, 21002884]

約数ペア:

[(1, 21002884), (2, 10501442), (4, 5250721), (7, 3000412), (14, 1500206), (28, 750103), (373, 56308), (746, 28154), (1492, 14077), (2011, 10444), (2611, 8044), (4022, 5222)]