21296736

素因数分解:

$2^5\times 3^3\times {\mathrm{157}}^2$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 62513640

約数和(自身を除く): 41216904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 157, 216, 288, 314, 432, 471, 628, 864, 942, 1256, 1413, 1884, 2512, 2826, 3768, 4239, 5024, 5652, 7536, 8478, 11304, 15072, 16956, 22608, 24649, 33912, 45216, 49298, 67824, 73947, 98596, 135648, 147894, 197192, 221841, 295788, 394384, 443682, 591576, 665523, 788768, 887364, 1183152, 1331046, 1774728, 2366304, 2662092, 3549456, 5324184, 7098912, 10648368, 21296736]

約数ペア:

[(1, 21296736), (2, 10648368), (3, 7098912), (4, 5324184), (6, 3549456), (8, 2662092), (9, 2366304), (12, 1774728), (16, 1331046), (18, 1183152), (24, 887364), (27, 788768), (32, 665523), (36, 591576), (48, 443682), (54, 394384), (72, 295788), (96, 221841), (108, 197192), (144, 147894), (157, 135648), (216, 98596), (288, 73947), (314, 67824), (432, 49298), (471, 45216), (628, 33912), (864, 24649), (942, 22608), (1256, 16956), (1413, 15072), (1884, 11304), (2512, 8478), (2826, 7536), (3768, 5652), (4239, 5024)]