21167882972

素因数分解:

$2^2\times {\mathrm{239}}^1\times {\mathrm{2417}}^1\times {\mathrm{9161}}^1$

素因数の和:11821

約数の個数: 24

約数和(自身を含む): 37218242880

約数和(自身を除く): 16050359908

約数列:

[1, 2, 4, 239, 478, 956, 2417, 4834, 9161, 9668, 18322, 36644, 577663, 1155326, 2189479, 2310652, 4378958, 8757916, 22142137, 44284274, 88568548, 5291970743, 10583941486, 21167882972]

約数ペア:

[(1, 21167882972), (2, 10583941486), (4, 5291970743), (239, 88568548), (478, 44284274), (956, 22142137), (2417, 8757916), (4834, 4378958), (9161, 2310652), (9668, 2189479), (18322, 1155326), (36644, 577663)]