21977096

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 42147840

約数和(自身を除く): 20170744

約数列:

[1, 2, 4, 8, 97, 127, 194, 223, 254, 388, 446, 508, 776, 892, 1016, 1784, 12319, 21631, 24638, 28321, 43262, 49276, 56642, 86524, 98552, 113284, 173048, 226568, 2747137, 5494274, 10988548, 21977096]

約数ペア:

[(1, 21977096), (2, 10988548), (4, 5494274), (8, 2747137), (97, 226568), (127, 173048), (194, 113284), (223, 98552), (254, 86524), (388, 56642), (446, 49276), (508, 43262), (776, 28321), (892, 24638), (1016, 21631), (1784, 12319)]