21806673

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{12511}}^1$

素因数の和:12604

約数の個数: 16

約数和(自身を含む): 33632256

約数和(自身を除く): 11825583

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 12511, 37533, 87577, 262731, 1038413, 3115239, 7268891, 21806673]

約数ペア:

[(1, 21806673), (3, 7268891), (7, 3115239), (21, 1038413), (83, 262731), (249, 87577), (581, 37533), (1743, 12511)]