22156821

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{7393}}^1$

素因数の和:7442

約数の個数: 20

約数和(自身を含む): 33997612

約数和(自身を除く): 11840791

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 7393, 22179, 66537, 199611, 273541, 598833, 820623, 2461869, 7385607, 22156821]

約数ペア:

[(1, 22156821), (3, 7385607), (9, 2461869), (27, 820623), (37, 598833), (81, 273541), (111, 199611), (333, 66537), (999, 22179), (2997, 7393)]