21504804

素因数分解:

$2^2\times 3^1\times {\mathrm{113}}^1\times {\mathrm{15859}}^1$

素因数の和:15979

約数の個数: 24

約数和(自身を含む): 50625120

約数和(自身を除く): 29120316

約数列:

[1, 2, 3, 4, 6, 12, 113, 226, 339, 452, 678, 1356, 15859, 31718, 47577, 63436, 95154, 190308, 1792067, 3584134, 5376201, 7168268, 10752402, 21504804]

約数ペア:

[(1, 21504804), (2, 10752402), (3, 7168268), (4, 5376201), (6, 3584134), (12, 1792067), (113, 190308), (226, 95154), (339, 63436), (452, 47577), (678, 31718), (1356, 15859)]