21168153

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 31352256

約数和(自身を除く): 10184103

約数列:

[1, 3, 9, 71, 157, 211, 213, 471, 633, 639, 1413, 1899, 11147, 14981, 33127, 33441, 44943, 99381, 100323, 134829, 298143, 2352017, 7056051, 21168153]

約数ペア:

[(1, 21168153), (3, 7056051), (9, 2352017), (71, 298143), (157, 134829), (211, 100323), (213, 99381), (471, 44943), (633, 33441), (639, 33127), (1413, 14981), (1899, 11147)]