21909876

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42461}}^1$

素因数の和:42511

約数の個数: 24

約数和(自身を含む): 52313184

約数和(自身を除く): 30403308

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42461, 84922, 127383, 169844, 254766, 509532, 1825823, 3651646, 5477469, 7303292, 10954938, 21909876]

約数ペア:

[(1, 21909876), (2, 10954938), (3, 7303292), (4, 5477469), (6, 3651646), (12, 1825823), (43, 509532), (86, 254766), (129, 169844), (172, 127383), (258, 84922), (516, 42461)]