21556646

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{2467}}^1$

素因数の和:2743

約数の個数: 16

約数和(自身を含む): 34384176

約数和(自身を除く): 12827530

約数列:

[1, 2, 17, 34, 257, 514, 2467, 4369, 4934, 8738, 41939, 83878, 634019, 1268038, 10778323, 21556646]

約数ペア:

[(1, 21556646), (2, 10778323), (17, 1268038), (34, 634019), (257, 83878), (514, 41939), (2467, 8738), (4369, 4934)]