21491050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61403}}^1$

素因数の和:61422

約数の個数: 24

約数和(自身を含む): 45684576

約数和(自身を除く): 24193526

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 61403, 122806, 307015, 429821, 614030, 859642, 1535075, 2149105, 3070150, 4298210, 10745525, 21491050]

約数ペア:

[(1, 21491050), (2, 10745525), (5, 4298210), (7, 3070150), (10, 2149105), (14, 1535075), (25, 859642), (35, 614030), (50, 429821), (70, 307015), (175, 122806), (350, 61403)]