21260982

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{208441}}^1$

素因数の和:208463

約数の個数: 16

約数和(自身を含む): 45023472

約数和(自身を除く): 23762490

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 208441, 416882, 625323, 1250646, 3543497, 7086994, 10630491, 21260982]

約数ペア:

[(1, 21260982), (2, 10630491), (3, 7086994), (6, 3543497), (17, 1250646), (34, 625323), (51, 416882), (102, 208441)]