21237414

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{321779}}^1$

素因数の和:321795

約数の個数: 16

約数和(自身を含む): 46336320

約数和(自身を除く): 25098906

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 321779, 643558, 965337, 1930674, 3539569, 7079138, 10618707, 21237414]

約数ペア:

[(1, 21237414), (2, 10618707), (3, 7079138), (6, 3539569), (11, 1930674), (22, 965337), (33, 643558), (66, 321779)]