21216252

素因数分解:

$2^2\times 3^1\times {\mathrm{719}}^1\times {\mathrm{2459}}^1$

素因数の和:3185

約数の個数: 24

約数和(自身を含む): 49593600

約数和(自身を除く): 28377348

約数列:

[1, 2, 3, 4, 6, 12, 719, 1438, 2157, 2459, 2876, 4314, 4918, 7377, 8628, 9836, 14754, 29508, 1768021, 3536042, 5304063, 7072084, 10608126, 21216252]

約数ペア:

[(1, 21216252), (2, 10608126), (3, 7072084), (4, 5304063), (6, 3536042), (12, 1768021), (719, 29508), (1438, 14754), (2157, 9836), (2459, 8628), (2876, 7377), (4314, 4918)]