21867032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 26655208

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 47, 68, 88, 94, 136, 187, 188, 311, 374, 376, 517, 622, 748, 799, 1034, 1244, 1496, 1598, 2068, 2488, 3196, 3421, 4136, 5287, 6392, 6842, 8789, 10574, 13684, 14617, 17578, 21148, 27368, 29234, 35156, 42296, 58157, 58468, 70312, 116314, 116936, 160787, 232628, 248489, 321574, 465256, 496978, 643148, 993956, 1286296, 1987912, 2733379, 5466758, 10933516, 21867032]

約数ペア:

[(1, 21867032), (2, 10933516), (4, 5466758), (8, 2733379), (11, 1987912), (17, 1286296), (22, 993956), (34, 643148), (44, 496978), (47, 465256), (68, 321574), (88, 248489), (94, 232628), (136, 160787), (187, 116936), (188, 116314), (311, 70312), (374, 58468), (376, 58157), (517, 42296), (622, 35156), (748, 29234), (799, 27368), (1034, 21148), (1244, 17578), (1496, 14617), (1598, 13684), (2068, 10574), (2488, 8789), (3196, 6842), (3421, 6392), (4136, 5287)]