21254628

素因数分解:

$2^2\times 3^1\times {\mathrm{487}}^1\times {\mathrm{3637}}^1$

素因数の和:4131

約数の個数: 24

約数和(自身を含む): 49709632

約数和(自身を除く): 28455004

約数列:

[1, 2, 3, 4, 6, 12, 487, 974, 1461, 1948, 2922, 3637, 5844, 7274, 10911, 14548, 21822, 43644, 1771219, 3542438, 5313657, 7084876, 10627314, 21254628]

約数ペア:

[(1, 21254628), (2, 10627314), (3, 7084876), (4, 5313657), (6, 3542438), (12, 1771219), (487, 43644), (974, 21822), (1461, 14548), (1948, 10911), (2922, 7274), (3637, 5844)]