21788494

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{9209}}^1$

素因数の和:9244

約数の個数: 24

約数和(自身を含む): 40450320

約数和(自身を除く): 18661826

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 1183, 2366, 9209, 18418, 64463, 119717, 128926, 239434, 838019, 1556321, 1676038, 3112642, 10894247, 21788494]

約数ペア:

[(1, 21788494), (2, 10894247), (7, 3112642), (13, 1676038), (14, 1556321), (26, 838019), (91, 239434), (169, 128926), (182, 119717), (338, 64463), (1183, 18418), (2366, 9209)]