21121584

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 60234240

約数和(自身を除く): 39112656

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 109, 132, 176, 218, 264, 327, 367, 436, 528, 654, 734, 872, 1101, 1199, 1308, 1468, 1744, 2202, 2398, 2616, 2936, 3597, 4037, 4404, 4796, 5232, 5872, 7194, 8074, 8808, 9592, 12111, 14388, 16148, 17616, 19184, 24222, 28776, 32296, 40003, 48444, 57552, 64592, 80006, 96888, 120009, 160012, 193776, 240018, 320024, 440033, 480036, 640048, 880066, 960072, 1320099, 1760132, 1920144, 2640198, 3520264, 5280396, 7040528, 10560792, 21121584]

約数ペア:

[(1, 21121584), (2, 10560792), (3, 7040528), (4, 5280396), (6, 3520264), (8, 2640198), (11, 1920144), (12, 1760132), (16, 1320099), (22, 960072), (24, 880066), (33, 640048), (44, 480036), (48, 440033), (66, 320024), (88, 240018), (109, 193776), (132, 160012), (176, 120009), (218, 96888), (264, 80006), (327, 64592), (367, 57552), (436, 48444), (528, 40003), (654, 32296), (734, 28776), (872, 24222), (1101, 19184), (1199, 17616), (1308, 16148), (1468, 14388), (1744, 12111), (2202, 9592), (2398, 8808), (2616, 8074), (2936, 7194), (3597, 5872), (4037, 5232), (4404, 4796)]