21489356

素因数分解:

$2^2\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1277}}^1$

素因数の和:1889

約数の個数: 24

約数和(自身を含む): 43083936

約数和(自身を除く): 21594580

約数列:

[1, 2, 4, 7, 14, 28, 601, 1202, 1277, 2404, 2554, 4207, 5108, 8414, 8939, 16828, 17878, 35756, 767477, 1534954, 3069908, 5372339, 10744678, 21489356]

約数ペア:

[(1, 21489356), (2, 10744678), (4, 5372339), (7, 3069908), (14, 1534954), (28, 767477), (601, 35756), (1202, 17878), (1277, 16828), (2404, 8939), (2554, 8414), (4207, 5108)]