2021146127

素因数分解:

$7^1\times {\mathrm{11}}^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 2878800960

約数和(自身を除く): 857654833

約数列:

[1, 7, 11, 13, 37, 41, 77, 91, 121, 143, 259, 287, 407, 451, 481, 533, 847, 1001, 1331, 1517, 1573, 2849, 3157, 3367, 3731, 4477, 4961, 5291, 5863, 9317, 10619, 11011, 14641, 16687, 17303, 19721, 31339, 34727, 37037, 41041, 49247, 54571, 58201, 64493, 102487, 116809, 121121, 138047, 183557, 190333, 216931, 344729, 381997, 407407, 451451, 541717, 600281, 640211, 709423, 1284899, 1332331, 1518517, 2019127, 2386241, 3792019, 4201967, 4481477, 4965961, 7042321, 7803653, 14133889, 16703687, 22210397, 26248651, 49296247, 54625571, 155472779, 183740557, 288735161, 2021146127]

約数ペア:

[(1, 2021146127), (7, 288735161), (11, 183740557), (13, 155472779), (37, 54625571), (41, 49296247), (77, 26248651), (91, 22210397), (121, 16703687), (143, 14133889), (259, 7803653), (287, 7042321), (407, 4965961), (451, 4481477), (481, 4201967), (533, 3792019), (847, 2386241), (1001, 2019127), (1331, 1518517), (1517, 1332331), (1573, 1284899), (2849, 709423), (3157, 640211), (3367, 600281), (3731, 541717), (4477, 451451), (4961, 407407), (5291, 381997), (5863, 344729), (9317, 216931), (10619, 190333), (11011, 183557), (14641, 138047), (16687, 121121), (17303, 116809), (19721, 102487), (31339, 64493), (34727, 58201), (37037, 54571), (41041, 49247)]