21560692

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1013}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 40117896

約数和(自身を除く): 18557204

約数列:

[1, 2, 4, 17, 34, 68, 313, 626, 1013, 1252, 2026, 4052, 5321, 10642, 17221, 21284, 34442, 68884, 317069, 634138, 1268276, 5390173, 10780346, 21560692]

約数ペア:

[(1, 21560692), (2, 10780346), (4, 5390173), (17, 1268276), (34, 634138), (68, 317069), (313, 68884), (626, 34442), (1013, 21284), (1252, 17221), (2026, 10642), (4052, 5321)]