21130944

素因数分解:

$2^6\times 3^1\times {\mathrm{157}}^1\times {\mathrm{701}}^1$

素因数の和:873

約数の個数: 56

約数和(自身を含む): 56345328

約数和(自身を除く): 35214384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 157, 192, 314, 471, 628, 701, 942, 1256, 1402, 1884, 2103, 2512, 2804, 3768, 4206, 5024, 5608, 7536, 8412, 10048, 11216, 15072, 16824, 22432, 30144, 33648, 44864, 67296, 110057, 134592, 220114, 330171, 440228, 660342, 880456, 1320684, 1760912, 2641368, 3521824, 5282736, 7043648, 10565472, 21130944]

約数ペア:

[(1, 21130944), (2, 10565472), (3, 7043648), (4, 5282736), (6, 3521824), (8, 2641368), (12, 1760912), (16, 1320684), (24, 880456), (32, 660342), (48, 440228), (64, 330171), (96, 220114), (157, 134592), (192, 110057), (314, 67296), (471, 44864), (628, 33648), (701, 30144), (942, 22432), (1256, 16824), (1402, 15072), (1884, 11216), (2103, 10048), (2512, 8412), (2804, 7536), (3768, 5608), (4206, 5024)]