21261608344

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{4129}}^1\times {\mathrm{14969}}^1$

素因数の和:19147

約数の個数: 32

約数和(自身を含む): 40805226000

約数和(自身を除く): 19543617656

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 4129, 8258, 14969, 16516, 29938, 33032, 59876, 119752, 177547, 355094, 643667, 710188, 1287334, 1420376, 2574668, 5149336, 61807001, 123614002, 247228004, 494456008, 2657701043, 5315402086, 10630804172, 21261608344]

約数ペア:

[(1, 21261608344), (2, 10630804172), (4, 5315402086), (8, 2657701043), (43, 494456008), (86, 247228004), (172, 123614002), (344, 61807001), (4129, 5149336), (8258, 2574668), (14969, 1420376), (16516, 1287334), (29938, 710188), (33032, 643667), (59876, 355094), (119752, 177547)]