21229908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{252737}}^1$

素因数の和:252751

約数の個数: 24

約数和(自身を含む): 56613312

約数和(自身を除く): 35383404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 252737, 505474, 758211, 1010948, 1516422, 1769159, 3032844, 3538318, 5307477, 7076636, 10614954, 21229908]

約数ペア:

[(1, 21229908), (2, 10614954), (3, 7076636), (4, 5307477), (6, 3538318), (7, 3032844), (12, 1769159), (14, 1516422), (21, 1010948), (28, 758211), (42, 505474), (84, 252737)]