21051734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50363}}^1$

素因数の和:50395

約数の個数: 16

約数和(自身を含む): 36262080

約数和(自身を除く): 15210346

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50363, 100726, 553993, 956897, 1107986, 1913794, 10525867, 21051734]

約数ペア:

[(1, 21051734), (2, 10525867), (11, 1913794), (19, 1107986), (22, 956897), (38, 553993), (209, 100726), (418, 50363)]