21471618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 51787008

約数和(自身を除く): 30315390

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 41, 42, 74, 82, 111, 123, 222, 246, 259, 287, 337, 518, 574, 674, 777, 861, 1011, 1517, 1554, 1722, 2022, 2359, 3034, 4551, 4718, 7077, 9102, 10619, 12469, 13817, 14154, 21238, 24938, 27634, 31857, 37407, 41451, 63714, 74814, 82902, 87283, 96719, 174566, 193438, 261849, 290157, 511229, 523698, 580314, 1022458, 1533687, 3067374, 3578603, 7157206, 10735809, 21471618]

約数ペア:

[(1, 21471618), (2, 10735809), (3, 7157206), (6, 3578603), (7, 3067374), (14, 1533687), (21, 1022458), (37, 580314), (41, 523698), (42, 511229), (74, 290157), (82, 261849), (111, 193438), (123, 174566), (222, 96719), (246, 87283), (259, 82902), (287, 74814), (337, 63714), (518, 41451), (574, 37407), (674, 31857), (777, 27634), (861, 24938), (1011, 21238), (1517, 14154), (1554, 13817), (1722, 12469), (2022, 10619), (2359, 9102), (3034, 7077), (4551, 4718)]