21090413008

素因数分解:

$2^4\times 7^2\times {\mathrm{26901037}}^1$

素因数の和:26901059

約数の個数: 30

約数和(自身を含む): 47534134146

約数和(自身を除く): 26443721138

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26901037, 53802074, 107604148, 188307259, 215208296, 376614518, 430416592, 753229036, 1318150813, 1506458072, 2636301626, 3012916144, 5272603252, 10545206504, 21090413008]

約数ペア:

[(1, 21090413008), (2, 10545206504), (4, 5272603252), (7, 3012916144), (8, 2636301626), (14, 1506458072), (16, 1318150813), (28, 753229036), (49, 430416592), (56, 376614518), (98, 215208296), (112, 188307259), (196, 107604148), (392, 53802074), (784, 26901037)]