21040954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23327}}^1$

素因数の和:23381

約数の個数: 16

約数和(自身を含む): 35271936

約数和(自身を除く): 14230982

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 23327, 46654, 256597, 513194, 956407, 1912814, 10520477, 21040954]

約数ペア:

[(1, 21040954), (2, 10520477), (11, 1912814), (22, 956407), (41, 513194), (82, 256597), (451, 46654), (902, 23327)]