21208048

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45707}}^1$

素因数の和:45744

約数の個数: 20

約数和(自身を含む): 42508440

約数和(自身を除く): 21300392

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45707, 91414, 182828, 365656, 731312, 1325503, 2651006, 5302012, 10604024, 21208048]

約数ペア:

[(1, 21208048), (2, 10604024), (4, 5302012), (8, 2651006), (16, 1325503), (29, 731312), (58, 365656), (116, 182828), (232, 91414), (464, 45707)]