21712774

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1\times {\mathrm{911}}^1$

素因数の和:1631

約数の個数: 16

約数和(自身を含む): 34572096

約数和(自身を除く): 12859322

約数列:

[1, 2, 17, 34, 701, 911, 1402, 1822, 11917, 15487, 23834, 30974, 638611, 1277222, 10856387, 21712774]

約数ペア:

[(1, 21712774), (2, 10856387), (17, 1277222), (34, 638611), (701, 30974), (911, 23834), (1402, 15487), (1822, 11917)]