21073489

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1231}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2876591

約数列:

[1, 17, 19, 53, 323, 901, 1007, 1231, 17119, 20927, 23389, 65243, 397613, 1109131, 1239617, 21073489]

約数ペア:

[(1, 21073489), (17, 1239617), (19, 1109131), (53, 397613), (323, 65243), (901, 23389), (1007, 20927), (1231, 17119)]