21704748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139133}}^1$

素因数の和:139153

約数の個数: 24

約数和(自身を含む): 54540528

約数和(自身を除く): 32835780

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139133, 278266, 417399, 556532, 834798, 1669596, 1808729, 3617458, 5426187, 7234916, 10852374, 21704748]

約数ペア:

[(1, 21704748), (2, 10852374), (3, 7234916), (4, 5426187), (6, 3617458), (12, 1808729), (13, 1669596), (26, 834798), (39, 556532), (52, 417399), (78, 278266), (156, 139133)]