21904924

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{521}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 40164768

約数和(自身を除く): 18259844

約数列:

[1, 2, 4, 23, 46, 92, 457, 521, 914, 1042, 1828, 2084, 10511, 11983, 21022, 23966, 42044, 47932, 238097, 476194, 952388, 5476231, 10952462, 21904924]

約数ペア:

[(1, 21904924), (2, 10952462), (4, 5476231), (23, 952388), (46, 476194), (92, 238097), (457, 47932), (521, 42044), (914, 23966), (1042, 21022), (1828, 11983), (2084, 10511)]