21345219

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14731}}^1$

素因数の和:14767

約数の個数: 24

約数和(自身を含む): 36771072

約数和(自身を除く): 15425853

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14731, 44193, 103117, 132579, 309351, 338813, 928053, 1016439, 2371691, 3049317, 7115073, 21345219]

約数ペア:

[(1, 21345219), (3, 7115073), (7, 3049317), (9, 2371691), (21, 1016439), (23, 928053), (63, 338813), (69, 309351), (161, 132579), (207, 103117), (483, 44193), (1449, 14731)]