21140976

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{9371}}^1$

素因数の和:9429

約数の個数: 40

約数和(自身を含む): 55782144

約数和(自身を除く): 34641168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 141, 188, 282, 376, 564, 752, 1128, 2256, 9371, 18742, 28113, 37484, 56226, 74968, 112452, 149936, 224904, 440437, 449808, 880874, 1321311, 1761748, 2642622, 3523496, 5285244, 7046992, 10570488, 21140976]

約数ペア:

[(1, 21140976), (2, 10570488), (3, 7046992), (4, 5285244), (6, 3523496), (8, 2642622), (12, 1761748), (16, 1321311), (24, 880874), (47, 449808), (48, 440437), (94, 224904), (141, 149936), (188, 112452), (282, 74968), (376, 56226), (564, 37484), (752, 28113), (1128, 18742), (2256, 9371)]