21532100

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1093}}^1$

素因数の和:1304

約数の個数: 36

約数和(自身を含む): 47004804

約数和(自身を除く): 25472704

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1093, 1970, 2186, 3940, 4372, 4925, 5465, 9850, 10930, 19700, 21860, 27325, 54650, 109300, 215321, 430642, 861284, 1076605, 2153210, 4306420, 5383025, 10766050, 21532100]

約数ペア:

[(1, 21532100), (2, 10766050), (4, 5383025), (5, 4306420), (10, 2153210), (20, 1076605), (25, 861284), (50, 430642), (100, 215321), (197, 109300), (394, 54650), (788, 27325), (985, 21860), (1093, 19700), (1970, 10930), (2186, 9850), (3940, 5465), (4372, 4925)]