21984669

素因数分解:

$3^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 37443840

約数和(自身を除く): 15459171

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 293, 397, 879, 1191, 2051, 2637, 2779, 3573, 6153, 7911, 8337, 10719, 18459, 25011, 55377, 75033, 116321, 348963, 814247, 1046889, 2442741, 3140667, 7328223, 21984669]

約数ペア:

[(1, 21984669), (3, 7328223), (7, 3140667), (9, 2442741), (21, 1046889), (27, 814247), (63, 348963), (189, 116321), (293, 75033), (397, 55377), (879, 25011), (1191, 18459), (2051, 10719), (2637, 8337), (2779, 7911), (3573, 6153)]