21179961

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{2161}}^1$

素因数の和:2195

約数の個数: 30

約数和(自身を含む): 34793066

約数和(自身を除く): 13613105

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 2161, 3267, 6483, 9801, 19449, 23771, 58347, 71313, 175041, 213939, 261481, 641817, 784443, 1925451, 2353329, 7059987, 21179961]

約数ペア:

[(1, 21179961), (3, 7059987), (9, 2353329), (11, 1925451), (27, 784443), (33, 641817), (81, 261481), (99, 213939), (121, 175041), (297, 71313), (363, 58347), (891, 23771), (1089, 19449), (2161, 9801), (3267, 6483)]