21510837

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1129}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 32611800

約数和(自身を除く): 11100963

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 657, 1129, 2117, 3387, 6351, 10161, 19053, 32741, 82417, 98223, 247251, 294669, 741753, 2390093, 7170279, 21510837]

約数ペア:

[(1, 21510837), (3, 7170279), (9, 2390093), (29, 741753), (73, 294669), (87, 247251), (219, 98223), (261, 82417), (657, 32741), (1129, 19053), (2117, 10161), (3387, 6351)]