21925525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1549

約数の個数: 24

約数和(自身を含む): 29561600

約数和(自身を除く): 7636075

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 1489, 2945, 7445, 14725, 28291, 37225, 46159, 141455, 230795, 707275, 877021, 1153975, 4385105, 21925525]

約数ペア:

[(1, 21925525), (5, 4385105), (19, 1153975), (25, 877021), (31, 707275), (95, 230795), (155, 141455), (475, 46159), (589, 37225), (775, 28291), (1489, 14725), (2945, 7445)]