21449800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4663}}^1$

素因数の和:4702

約数の個数: 48

約数和(自身を含む): 52050240

約数和(自身を除く): 30600440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4600, 4663, 9326, 18652, 23315, 37304, 46630, 93260, 107249, 116575, 186520, 214498, 233150, 428996, 466300, 536245, 857992, 932600, 1072490, 2144980, 2681225, 4289960, 5362450, 10724900, 21449800]

約数ペア:

[(1, 21449800), (2, 10724900), (4, 5362450), (5, 4289960), (8, 2681225), (10, 2144980), (20, 1072490), (23, 932600), (25, 857992), (40, 536245), (46, 466300), (50, 428996), (92, 233150), (100, 214498), (115, 186520), (184, 116575), (200, 107249), (230, 93260), (460, 46630), (575, 37304), (920, 23315), (1150, 18652), (2300, 9326), (4600, 4663)]