21311438

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{36871}}^1$

素因数の和:36907

約数の個数: 12

約数和(自身を含む): 33959112

約数和(自身を除く): 12647674

約数列:

[1, 2, 17, 34, 289, 578, 36871, 73742, 626807, 1253614, 10655719, 21311438]

約数ペア:

[(1, 21311438), (2, 10655719), (17, 1253614), (34, 626807), (289, 73742), (578, 36871)]