21167725

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 27141120

約数和(自身を除く): 5973395

約数列:

[1, 5, 25, 59, 113, 127, 295, 565, 635, 1475, 2825, 3175, 6667, 7493, 14351, 33335, 37465, 71755, 166675, 187325, 358775, 846709, 4233545, 21167725]

約数ペア:

[(1, 21167725), (5, 4233545), (25, 846709), (59, 358775), (113, 187325), (127, 166675), (295, 71755), (565, 37465), (635, 33335), (1475, 14351), (2825, 7493), (3175, 6667)]