21347604

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{1259}}^1$

素因数の和:1429

約数の個数: 48

約数和(自身を含む): 55742400

約数和(自身を除く): 34394796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1259, 1413, 1884, 2518, 2826, 3777, 4239, 5036, 5652, 7554, 8478, 11331, 15108, 16956, 22662, 33993, 45324, 67986, 135972, 197663, 395326, 592989, 790652, 1185978, 1778967, 2371956, 3557934, 5336901, 7115868, 10673802, 21347604]

約数ペア:

[(1, 21347604), (2, 10673802), (3, 7115868), (4, 5336901), (6, 3557934), (9, 2371956), (12, 1778967), (18, 1185978), (27, 790652), (36, 592989), (54, 395326), (108, 197663), (157, 135972), (314, 67986), (471, 45324), (628, 33993), (942, 22662), (1259, 16956), (1413, 15108), (1884, 11331), (2518, 8478), (2826, 7554), (3777, 5652), (4239, 5036)]