21729933

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{1093}}^1$

素因数の和:1193

約数の個数: 18

約数和(自身を含む): 32099054

約数和(自身を除く): 10369121

約数列:

[1, 3, 9, 47, 141, 423, 1093, 2209, 3279, 6627, 9837, 19881, 51371, 154113, 462339, 2414437, 7243311, 21729933]

約数ペア:

[(1, 21729933), (3, 7243311), (9, 2414437), (47, 462339), (141, 154113), (423, 51371), (1093, 19881), (2209, 9837), (3279, 6627)]