21082325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2473}}^1$

素因数の和:2525

約数の個数: 24

約数和(自身を含む): 29450496

約数和(自身を除く): 8368171

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 2473, 8525, 12365, 27203, 61825, 76663, 136015, 383315, 680075, 843293, 1916575, 4216465, 21082325]

約数ペア:

[(1, 21082325), (5, 4216465), (11, 1916575), (25, 843293), (31, 680075), (55, 383315), (155, 136015), (275, 76663), (341, 61825), (775, 27203), (1705, 12365), (2473, 8525)]