21086656

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17341}}^1$

素因数の和:17372

約数の個数: 28

約数和(自身を含む): 44048680

約数和(自身を除く): 22962024

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17341, 34682, 69364, 138728, 277456, 329479, 554912, 658958, 1109824, 1317916, 2635832, 5271664, 10543328, 21086656]

約数ペア:

[(1, 21086656), (2, 10543328), (4, 5271664), (8, 2635832), (16, 1317916), (19, 1109824), (32, 658958), (38, 554912), (64, 329479), (76, 277456), (152, 138728), (304, 69364), (608, 34682), (1216, 17341)]