21508710138

素因数分解:

$2^1\times 3^3\times {\mathrm{83}}^1\times {\mathrm{577}}^1\times {\mathrm{8317}}^1$

素因数の和:8988

約数の個数: 64

約数和(自身を含む): 48462664320

約数和(自身を除く): 26953954182

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 83, 166, 249, 498, 577, 747, 1154, 1494, 1731, 2241, 3462, 4482, 5193, 8317, 10386, 15579, 16634, 24951, 31158, 47891, 49902, 74853, 95782, 143673, 149706, 224559, 287346, 431019, 449118, 690311, 862038, 1293057, 1380622, 2070933, 2586114, 4141866, 4798909, 6212799, 9597818, 12425598, 14396727, 18638397, 28793454, 37276794, 43190181, 86380362, 129570543, 259141086, 398309447, 796618894, 1194928341, 2389856682, 3584785023, 7169570046, 10754355069, 21508710138]

約数ペア:

[(1, 21508710138), (2, 10754355069), (3, 7169570046), (6, 3584785023), (9, 2389856682), (18, 1194928341), (27, 796618894), (54, 398309447), (83, 259141086), (166, 129570543), (249, 86380362), (498, 43190181), (577, 37276794), (747, 28793454), (1154, 18638397), (1494, 14396727), (1731, 12425598), (2241, 9597818), (3462, 6212799), (4482, 4798909), (5193, 4141866), (8317, 2586114), (10386, 2070933), (15579, 1380622), (16634, 1293057), (24951, 862038), (31158, 690311), (47891, 449118), (49902, 431019), (74853, 287346), (95782, 224559), (143673, 149706)]