21475836

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 58260384

約数和(自身を除く): 36784548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 37, 46, 69, 74, 92, 111, 138, 148, 207, 222, 276, 333, 414, 444, 666, 701, 828, 851, 1332, 1402, 1702, 2103, 2553, 2804, 3404, 4206, 5106, 6309, 7659, 8412, 10212, 12618, 15318, 16123, 25236, 25937, 30636, 32246, 48369, 51874, 64492, 77811, 96738, 103748, 145107, 155622, 193476, 233433, 290214, 311244, 466866, 580428, 596551, 933732, 1193102, 1789653, 2386204, 3579306, 5368959, 7158612, 10737918, 21475836]

約数ペア:

[(1, 21475836), (2, 10737918), (3, 7158612), (4, 5368959), (6, 3579306), (9, 2386204), (12, 1789653), (18, 1193102), (23, 933732), (36, 596551), (37, 580428), (46, 466866), (69, 311244), (74, 290214), (92, 233433), (111, 193476), (138, 155622), (148, 145107), (207, 103748), (222, 96738), (276, 77811), (333, 64492), (414, 51874), (444, 48369), (666, 32246), (701, 30636), (828, 25937), (851, 25236), (1332, 16123), (1402, 15318), (1702, 12618), (2103, 10212), (2553, 8412), (2804, 7659), (3404, 6309), (4206, 5106)]