21167708528

素因数分解:

$2^4\times {\mathrm{7207}}^1\times {\mathrm{183569}}^1$

素因数の和:190784

約数の個数: 20

約数和(自身を含む): 41018349360

約数和(自身を除く): 19850640832

約数列:

[1, 2, 4, 8, 16, 7207, 14414, 28828, 57656, 115312, 183569, 367138, 734276, 1468552, 2937104, 1322981783, 2645963566, 5291927132, 10583854264, 21167708528]

約数ペア:

[(1, 21167708528), (2, 10583854264), (4, 5291927132), (8, 2645963566), (16, 1322981783), (7207, 2937104), (14414, 1468552), (28828, 734276), (57656, 367138), (115312, 183569)]