21875658

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2011}}^1$

素因数の和:2067

約数の個数: 48

約数和(自身を含む): 52295904

約数和(自身を除く): 30420246

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 222, 259, 294, 518, 777, 1554, 1813, 2011, 3626, 4022, 5439, 6033, 10878, 12066, 14077, 28154, 42231, 74407, 84462, 98539, 148814, 197078, 223221, 295617, 446442, 520849, 591234, 1041698, 1562547, 3125094, 3645943, 7291886, 10937829, 21875658]

約数ペア:

[(1, 21875658), (2, 10937829), (3, 7291886), (6, 3645943), (7, 3125094), (14, 1562547), (21, 1041698), (37, 591234), (42, 520849), (49, 446442), (74, 295617), (98, 223221), (111, 197078), (147, 148814), (222, 98539), (259, 84462), (294, 74407), (518, 42231), (777, 28154), (1554, 14077), (1813, 12066), (2011, 10878), (3626, 6033), (4022, 5439)]