21534019

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 24766560

約数和(自身を除く): 3232541

約数列:

[1, 13, 17, 139, 221, 701, 1807, 2363, 9113, 11917, 30719, 97439, 154921, 1266707, 1656463, 21534019]

約数ペア:

[(1, 21534019), (13, 1656463), (17, 1266707), (139, 154921), (221, 97439), (701, 30719), (1807, 11917), (2363, 9113)]