21163782

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20389}}^1$

素因数の和:20567

約数の個数: 16

約数和(自身を含む): 42574320

約数和(自身を除く): 21410538

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20389, 40778, 61167, 122334, 3527297, 7054594, 10581891, 21163782]

約数ペア:

[(1, 21163782), (2, 10581891), (3, 7054594), (6, 3527297), (173, 122334), (346, 61167), (519, 40778), (1038, 20389)]