21831435

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6833}}^1$

素因数の和:6915

約数の個数: 24

約数和(自身を含む): 38379744

約数和(自身を除く): 16548309

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 6833, 20499, 34165, 61497, 102495, 307485, 485143, 1455429, 2425715, 4366287, 7277145, 21831435]

約数ペア:

[(1, 21831435), (3, 7277145), (5, 4366287), (9, 2425715), (15, 1455429), (45, 485143), (71, 307485), (213, 102495), (355, 61497), (639, 34165), (1065, 20499), (3195, 6833)]