21564492

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 51717120

約数和(自身を除く): 30152628

約数列:

[1, 2, 3, 4, 6, 12, 73, 103, 146, 206, 219, 239, 292, 309, 412, 438, 478, 618, 717, 876, 956, 1236, 1434, 2868, 7519, 15038, 17447, 22557, 24617, 30076, 34894, 45114, 49234, 52341, 69788, 73851, 90228, 98468, 104682, 147702, 209364, 295404, 1797041, 3594082, 5391123, 7188164, 10782246, 21564492]

約数ペア:

[(1, 21564492), (2, 10782246), (3, 7188164), (4, 5391123), (6, 3594082), (12, 1797041), (73, 295404), (103, 209364), (146, 147702), (206, 104682), (219, 98468), (239, 90228), (292, 73851), (309, 69788), (412, 52341), (438, 49234), (478, 45114), (618, 34894), (717, 30076), (876, 24617), (956, 22557), (1236, 17447), (1434, 15038), (2868, 7519)]