21506772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{256033}}^1$

素因数の和:256047

約数の個数: 24

約数和(自身を含む): 57351616

約数和(自身を除く): 35844844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256033, 512066, 768099, 1024132, 1536198, 1792231, 3072396, 3584462, 5376693, 7168924, 10753386, 21506772]

約数ペア:

[(1, 21506772), (2, 10753386), (3, 7168924), (4, 5376693), (6, 3584462), (7, 3072396), (12, 1792231), (14, 1536198), (21, 1024132), (28, 768099), (42, 512066), (84, 256033)]