21039360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5479}}^1$

素因数の和:5503

約数の個数: 72

約数和(自身を含む): 67206720

約数和(自身を除く): 46167360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5479, 10958, 16437, 21916, 27395, 32874, 43832, 54790, 65748, 82185, 87664, 109580, 131496, 164370, 175328, 219160, 262992, 328740, 350656, 438320, 525984, 657480, 701312, 876640, 1051968, 1314960, 1402624, 1753280, 2103936, 2629920, 3506560, 4207872, 5259840, 7013120, 10519680, 21039360]

約数ペア:

[(1, 21039360), (2, 10519680), (3, 7013120), (4, 5259840), (5, 4207872), (6, 3506560), (8, 2629920), (10, 2103936), (12, 1753280), (15, 1402624), (16, 1314960), (20, 1051968), (24, 876640), (30, 701312), (32, 657480), (40, 525984), (48, 438320), (60, 350656), (64, 328740), (80, 262992), (96, 219160), (120, 175328), (128, 164370), (160, 131496), (192, 109580), (240, 87664), (256, 82185), (320, 65748), (384, 54790), (480, 43832), (640, 32874), (768, 27395), (960, 21916), (1280, 16437), (1920, 10958), (3840, 5479)]