21172392

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1873}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 57737940

約数和(自身を除く): 36565548

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1873, 1884, 2826, 3746, 3768, 5619, 5652, 7492, 11238, 11304, 14984, 16857, 22476, 33714, 44952, 67428, 134856, 294061, 588122, 882183, 1176244, 1764366, 2352488, 2646549, 3528732, 5293098, 7057464, 10586196, 21172392]

約数ペア:

[(1, 21172392), (2, 10586196), (3, 7057464), (4, 5293098), (6, 3528732), (8, 2646549), (9, 2352488), (12, 1764366), (18, 1176244), (24, 882183), (36, 588122), (72, 294061), (157, 134856), (314, 67428), (471, 44952), (628, 33714), (942, 22476), (1256, 16857), (1413, 14984), (1873, 11304), (1884, 11238), (2826, 7492), (3746, 5652), (3768, 5619)]