21188976

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8329}}^1$

素因数の和:8393

約数の個数: 40

約数和(自身を含む): 55777680

約数和(自身を除く): 34588704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8329, 16658, 24987, 33316, 49974, 66632, 99948, 133264, 199896, 399792, 441437, 882874, 1324311, 1765748, 2648622, 3531496, 5297244, 7062992, 10594488, 21188976]

約数ペア:

[(1, 21188976), (2, 10594488), (3, 7062992), (4, 5297244), (6, 3531496), (8, 2648622), (12, 1765748), (16, 1324311), (24, 882874), (48, 441437), (53, 399792), (106, 199896), (159, 133264), (212, 99948), (318, 66632), (424, 49974), (636, 33316), (848, 24987), (1272, 16658), (2544, 8329)]