21084476

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12763}}^1$

素因数の和:12833

約数の個数: 24

約数和(自身を含む): 42887040

約数和(自身を除く): 21802564

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12763, 25526, 51052, 89341, 178682, 357364, 753017, 1506034, 3012068, 5271119, 10542238, 21084476]

約数ペア:

[(1, 21084476), (2, 10542238), (4, 5271119), (7, 3012068), (14, 1506034), (28, 753017), (59, 357364), (118, 178682), (236, 89341), (413, 51052), (826, 25526), (1652, 12763)]