21167034

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 50823936

約数和(自身を除く): 29656902

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 53, 74, 106, 111, 159, 222, 257, 259, 318, 371, 514, 518, 742, 771, 777, 1113, 1542, 1554, 1799, 1961, 2226, 3598, 3922, 5397, 5883, 9509, 10794, 11766, 13621, 13727, 19018, 27242, 27454, 28527, 40863, 41181, 57054, 66563, 81726, 82362, 95347, 133126, 190694, 199689, 286041, 399378, 503977, 572082, 1007954, 1511931, 3023862, 3527839, 7055678, 10583517, 21167034]

約数ペア:

[(1, 21167034), (2, 10583517), (3, 7055678), (6, 3527839), (7, 3023862), (14, 1511931), (21, 1007954), (37, 572082), (42, 503977), (53, 399378), (74, 286041), (106, 199689), (111, 190694), (159, 133126), (222, 95347), (257, 82362), (259, 81726), (318, 66563), (371, 57054), (514, 41181), (518, 40863), (742, 28527), (771, 27454), (777, 27242), (1113, 19018), (1542, 13727), (1554, 13621), (1799, 11766), (1961, 10794), (2226, 9509), (3598, 5883), (3922, 5397)]