21065363

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 24551424

約数和(自身を除く): 3486061

約数列:

[1, 11, 17, 127, 187, 887, 1397, 2159, 9757, 15079, 23749, 112649, 165869, 1239139, 1915033, 21065363]

約数ペア:

[(1, 21065363), (11, 1915033), (17, 1239139), (127, 165869), (187, 112649), (887, 23749), (1397, 15079), (2159, 9757)]