21772878

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{84391}}^1$

素因数の和:84439

約数の個数: 16

約数和(自身を含む): 44558976

約数和(自身を除く): 22786098

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 84391, 168782, 253173, 506346, 3628813, 7257626, 10886439, 21772878]

約数ペア:

[(1, 21772878), (2, 10886439), (3, 7257626), (6, 3628813), (43, 506346), (86, 253173), (129, 168782), (258, 84391)]