21950375

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{4283}}^1$

素因数の和:4339

約数の個数: 16

約数和(自身を含む): 28068768

約数和(自身を除く): 6118393

約数列:

[1, 5, 25, 41, 125, 205, 1025, 4283, 5125, 21415, 107075, 175603, 535375, 878015, 4390075, 21950375]

約数ペア:

[(1, 21950375), (5, 4390075), (25, 878015), (41, 535375), (125, 175603), (205, 107075), (1025, 21415), (4283, 5125)]