21560298

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20771}}^1$

素因数の和:20949

約数の個数: 16

約数和(自身を含む): 43371936

約数和(自身を除く): 21811638

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20771, 41542, 62313, 124626, 3593383, 7186766, 10780149, 21560298]

約数ペア:

[(1, 21560298), (2, 10780149), (3, 7186766), (6, 3593383), (173, 124626), (346, 62313), (519, 41542), (1038, 20771)]