21301528048

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{487}}^1\times {\mathrm{13877}}^1$

素因数の和:14569

約数の個数: 40

約数和(自身を含む): 41569384032

約数和(自身を除く): 20267855984

約数列:

[1, 2, 4, 8, 16, 197, 394, 487, 788, 974, 1576, 1948, 3152, 3896, 7792, 13877, 27754, 55508, 95939, 111016, 191878, 222032, 383756, 767512, 1535024, 2733769, 5467538, 6758099, 10935076, 13516198, 21870152, 27032396, 43740304, 54064792, 108129584, 1331345503, 2662691006, 5325382012, 10650764024, 21301528048]

約数ペア:

[(1, 21301528048), (2, 10650764024), (4, 5325382012), (8, 2662691006), (16, 1331345503), (197, 108129584), (394, 54064792), (487, 43740304), (788, 27032396), (974, 21870152), (1576, 13516198), (1948, 10935076), (3152, 6758099), (3896, 5467538), (7792, 2733769), (13877, 1535024), (27754, 767512), (55508, 383756), (95939, 222032), (111016, 191878)]