21721231681

素因数分解:

${\mathrm{29}}^1\times {\mathrm{479}}^1\times {\mathrm{877}}^1\times {\mathrm{1783}}^1$

素因数の和:3168

約数の個数: 16

約数和(自身を含む): 22555468800

約数和(自身を除く): 834237119

約数列:

[1, 29, 479, 877, 1783, 13891, 25433, 51707, 420083, 854057, 1563691, 12182407, 24767653, 45347039, 749007989, 21721231681]

約数ペア:

[(1, 21721231681), (29, 749007989), (479, 45347039), (877, 24767653), (1783, 12182407), (13891, 1563691), (25433, 854057), (51707, 420083)]