21272893232

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{243553}}^1$

素因数の和:243717

約数の個数: 40

約数和(自身を含む): 42401777184

約数和(自身を除く): 21128883952

約数列:

[1, 2, 4, 8, 16, 53, 103, 106, 206, 212, 412, 424, 824, 848, 1648, 5459, 10918, 21836, 43672, 87344, 243553, 487106, 974212, 1948424, 3896848, 12908309, 25085959, 25816618, 50171918, 51633236, 100343836, 103266472, 200687672, 206532944, 401375344, 1329555827, 2659111654, 5318223308, 10636446616, 21272893232]

約数ペア:

[(1, 21272893232), (2, 10636446616), (4, 5318223308), (8, 2659111654), (16, 1329555827), (53, 401375344), (103, 206532944), (106, 200687672), (206, 103266472), (212, 100343836), (412, 51633236), (424, 50171918), (824, 25816618), (848, 25085959), (1648, 12908309), (5459, 3896848), (10918, 1948424), (21836, 974212), (43672, 487106), (87344, 243553)]