21956718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3761}}^1$

素因数の和:3912

約数の個数: 32

約数和(自身を含む): 50561280

約数和(自身を除く): 28604562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3761, 5838, 7522, 11283, 22566, 26327, 52654, 78981, 157962, 522779, 1045558, 1568337, 3136674, 3659453, 7318906, 10978359, 21956718]

約数ペア:

[(1, 21956718), (2, 10978359), (3, 7318906), (6, 3659453), (7, 3136674), (14, 1568337), (21, 1045558), (42, 522779), (139, 157962), (278, 78981), (417, 52654), (834, 26327), (973, 22566), (1946, 11283), (2919, 7522), (3761, 5838)]