21891366

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173741}}^1$

素因数の和:173756

約数の個数: 24

約数和(自身を含む): 54207504

約数和(自身を除く): 32316138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173741, 347482, 521223, 1042446, 1216187, 1563669, 2432374, 3127338, 3648561, 7297122, 10945683, 21891366]

約数ペア:

[(1, 21891366), (2, 10945683), (3, 7297122), (6, 3648561), (7, 3127338), (9, 2432374), (14, 1563669), (18, 1216187), (21, 1042446), (42, 521223), (63, 347482), (126, 173741)]