21596517

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 12272283

約数列:

[1, 3, 9, 23, 27, 69, 83, 207, 249, 419, 621, 747, 1257, 1909, 2241, 3771, 5727, 9637, 11313, 17181, 28911, 34777, 51543, 86733, 104331, 260199, 312993, 799871, 938979, 2399613, 7198839, 21596517]

約数ペア:

[(1, 21596517), (3, 7198839), (9, 2399613), (23, 938979), (27, 799871), (69, 312993), (83, 260199), (207, 104331), (249, 86733), (419, 51543), (621, 34777), (747, 28911), (1257, 17181), (1909, 11313), (2241, 9637), (3771, 5727)]