21793254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3733}}^1$

素因数の和:3884

約数の個数: 32

約数和(自身を含む): 50184960

約数和(自身を除く): 28391706

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3733, 5838, 7466, 11199, 22398, 26131, 52262, 78393, 156786, 518887, 1037774, 1556661, 3113322, 3632209, 7264418, 10896627, 21793254]

約数ペア:

[(1, 21793254), (2, 10896627), (3, 7264418), (6, 3632209), (7, 3113322), (14, 1556661), (21, 1037774), (42, 518887), (139, 156786), (278, 78393), (417, 52262), (834, 26131), (973, 22398), (1946, 11199), (2919, 7466), (3733, 5838)]