21073136

素因数分解:

$2^4\times 7^2\times {\mathrm{26879}}^1$

素因数の和:26901

約数の個数: 30

約数和(自身を含む): 47496960

約数和(自身を除く): 26423824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26879, 53758, 107516, 188153, 215032, 376306, 430064, 752612, 1317071, 1505224, 2634142, 3010448, 5268284, 10536568, 21073136]

約数ペア:

[(1, 21073136), (2, 10536568), (4, 5268284), (7, 3010448), (8, 2634142), (14, 1505224), (16, 1317071), (28, 752612), (49, 430064), (56, 376306), (98, 215032), (112, 188153), (196, 107516), (392, 53758), (784, 26879)]