21091572

素因数分解:

$2^2\times 3^2\times {\mathrm{585877}}^1$

素因数の和:585887

約数の個数: 18

約数和(自身を含む): 53314898

約数和(自身を除く): 32223326

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585877, 1171754, 1757631, 2343508, 3515262, 5272893, 7030524, 10545786, 21091572]

約数ペア:

[(1, 21091572), (2, 10545786), (3, 7030524), (4, 5272893), (6, 3515262), (9, 2343508), (12, 1757631), (18, 1171754), (36, 585877)]