21806508

素因数分解:

$2^2\times 3^1\times {\mathrm{1009}}^1\times {\mathrm{1801}}^1$

素因数の和:2817

約数の個数: 24

約数和(自身を含む): 50960560

約数和(自身を除く): 29154052

約数列:

[1, 2, 3, 4, 6, 12, 1009, 1801, 2018, 3027, 3602, 4036, 5403, 6054, 7204, 10806, 12108, 21612, 1817209, 3634418, 5451627, 7268836, 10903254, 21806508]

約数ペア:

[(1, 21806508), (2, 10903254), (3, 7268836), (4, 5451627), (6, 3634418), (12, 1817209), (1009, 21612), (1801, 12108), (2018, 10806), (3027, 7204), (3602, 6054), (4036, 5403)]