21406098

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7607}}^1$

素因数の和:7686

約数の個数: 32

約数和(自身を含む): 49665024

約数和(自身を除く): 28258926

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7607, 15214, 22821, 45642, 53249, 106498, 159747, 319494, 509669, 1019338, 1529007, 3058014, 3567683, 7135366, 10703049, 21406098]

約数ペア:

[(1, 21406098), (2, 10703049), (3, 7135366), (6, 3567683), (7, 3058014), (14, 1529007), (21, 1019338), (42, 509669), (67, 319494), (134, 159747), (201, 106498), (402, 53249), (469, 45642), (938, 22821), (1407, 15214), (2814, 7607)]