21403089

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{10859}}^1$

素因数の和:10941

約数の個数: 16

約数和(自身を含む): 32145600

約数和(自身を除く): 10742511

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 10859, 32577, 97731, 293193, 792707, 2378121, 7134363, 21403089]

約数ペア:

[(1, 21403089), (3, 7134363), (9, 2378121), (27, 792707), (73, 293193), (219, 97731), (657, 32577), (1971, 10859)]