21027408

素因数分解:

$2^4\times 3^1\times {\mathrm{109}}^1\times {\mathrm{4019}}^1$

素因数の和:4139

約数の個数: 40

約数和(自身を含む): 54832800

約数和(自身を除く): 33805392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 109, 218, 327, 436, 654, 872, 1308, 1744, 2616, 4019, 5232, 8038, 12057, 16076, 24114, 32152, 48228, 64304, 96456, 192912, 438071, 876142, 1314213, 1752284, 2628426, 3504568, 5256852, 7009136, 10513704, 21027408]

約数ペア:

[(1, 21027408), (2, 10513704), (3, 7009136), (4, 5256852), (6, 3504568), (8, 2628426), (12, 1752284), (16, 1314213), (24, 876142), (48, 438071), (109, 192912), (218, 96456), (327, 64304), (436, 48228), (654, 32152), (872, 24114), (1308, 16076), (1744, 12057), (2616, 8038), (4019, 5232)]