21887734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52363}}^1$

素因数の和:52395

約数の個数: 16

約数和(自身を含む): 37702080

約数和(自身を除く): 15814346

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 52363, 104726, 575993, 994897, 1151986, 1989794, 10943867, 21887734]

約数ペア:

[(1, 21887734), (2, 10943867), (11, 1989794), (19, 1151986), (22, 994897), (38, 575993), (209, 104726), (418, 52363)]