21249712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120737}}^1$

素因数の和:120756

約数の個数: 20

約数和(自身を含む): 44914536

約数和(自身を除く): 23664824

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120737, 241474, 482948, 965896, 1328107, 1931792, 2656214, 5312428, 10624856, 21249712]

約数ペア:

[(1, 21249712), (2, 10624856), (4, 5312428), (8, 2656214), (11, 1931792), (16, 1328107), (22, 965896), (44, 482948), (88, 241474), (176, 120737)]