21025284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{250301}}^1$

素因数の和:250315

約数の個数: 24

約数和(自身を含む): 56067648

約数和(自身を除く): 35042364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 250301, 500602, 750903, 1001204, 1501806, 1752107, 3003612, 3504214, 5256321, 7008428, 10512642, 21025284]

約数ペア:

[(1, 21025284), (2, 10512642), (3, 7008428), (4, 5256321), (6, 3504214), (7, 3003612), (12, 1752107), (14, 1501806), (21, 1001204), (28, 750903), (42, 500602), (84, 250301)]