21708176

素因数分解:

$2^4\times 7^2\times {\mathrm{27689}}^1$

素因数の和:27711

約数の個数: 30

約数和(自身を含む): 48928230

約数和(自身を除く): 27220054

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27689, 55378, 110756, 193823, 221512, 387646, 443024, 775292, 1356761, 1550584, 2713522, 3101168, 5427044, 10854088, 21708176]

約数ペア:

[(1, 21708176), (2, 10854088), (4, 5427044), (7, 3101168), (8, 2713522), (14, 1550584), (16, 1356761), (28, 775292), (49, 443024), (56, 387646), (98, 221512), (112, 193823), (196, 110756), (392, 55378), (784, 27689)]