21112408

素因数分解:

$2^3\times {\mathrm{293}}^1\times {\mathrm{9007}}^1$

素因数の和:9306

約数の個数: 16

約数和(自身を含む): 39725280

約数和(自身を除く): 18612872

約数列:

[1, 2, 4, 8, 293, 586, 1172, 2344, 9007, 18014, 36028, 72056, 2639051, 5278102, 10556204, 21112408]

約数ペア:

[(1, 21112408), (2, 10556204), (4, 5278102), (8, 2639051), (293, 72056), (586, 36028), (1172, 18014), (2344, 9007)]