21279886

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32941}}^1$

素因数の和:32979

約数の個数: 16

約数和(自身を含む): 35577360

約数和(自身を除く): 14297474

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 32941, 65882, 559997, 625879, 1119994, 1251758, 10639943, 21279886]

約数ペア:

[(1, 21279886), (2, 10639943), (17, 1251758), (19, 1119994), (34, 625879), (38, 559997), (323, 65882), (646, 32941)]