21321864

素因数分解:

$2^3\times 3^2\times {\mathrm{296137}}^1$

素因数の和:296149

約数の個数: 24

約数和(自身を含む): 57746910

約数和(自身を除く): 36425046

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 296137, 592274, 888411, 1184548, 1776822, 2369096, 2665233, 3553644, 5330466, 7107288, 10660932, 21321864]

約数ペア:

[(1, 21321864), (2, 10660932), (3, 7107288), (4, 5330466), (6, 3553644), (8, 2665233), (9, 2369096), (12, 1776822), (18, 1184548), (24, 888411), (36, 592274), (72, 296137)]