21059415

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35999}}^1$

素因数の和:36023

約数の個数: 24

約数和(自身を含む): 39312000

約数和(自身を除く): 18252585

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35999, 107997, 179995, 323991, 467987, 539985, 1403961, 1619955, 2339935, 4211883, 7019805, 21059415]

約数ペア:

[(1, 21059415), (3, 7019805), (5, 4211883), (9, 2339935), (13, 1619955), (15, 1403961), (39, 539985), (45, 467987), (65, 323991), (117, 179995), (195, 107997), (585, 35999)]