21038904

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{7127}}^1$

素因数の和:7180

約数の個数: 48

約数和(自身を含む): 58378320

約数和(自身を除く): 37339416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 7127, 14254, 21381, 28508, 42762, 57016, 64143, 85524, 128286, 171048, 256572, 292207, 513144, 584414, 876621, 1168828, 1753242, 2337656, 2629863, 3506484, 5259726, 7012968, 10519452, 21038904]

約数ペア:

[(1, 21038904), (2, 10519452), (3, 7012968), (4, 5259726), (6, 3506484), (8, 2629863), (9, 2337656), (12, 1753242), (18, 1168828), (24, 876621), (36, 584414), (41, 513144), (72, 292207), (82, 256572), (123, 171048), (164, 128286), (246, 85524), (328, 64143), (369, 57016), (492, 42762), (738, 28508), (984, 21381), (1476, 14254), (2952, 7127)]