21585425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1567}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 29164800

約数和(自身を除く): 7579375

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 1567, 2755, 7835, 13775, 29773, 39175, 45443, 148865, 227215, 744325, 863417, 1136075, 4317085, 21585425]

約数ペア:

[(1, 21585425), (5, 4317085), (19, 1136075), (25, 863417), (29, 744325), (95, 227215), (145, 148865), (475, 45443), (551, 39175), (725, 29773), (1567, 13775), (2755, 7835)]