21888323

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 23838720

約数和(自身を除く): 1950397

約数列:

[1, 19, 47, 127, 193, 893, 2413, 3667, 5969, 9071, 24511, 113411, 172349, 465709, 1152017, 21888323]

約数ペア:

[(1, 21888323), (19, 1152017), (47, 465709), (127, 172349), (193, 113411), (893, 24511), (2413, 9071), (3667, 5969)]