21171840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11027}}^1$

素因数の和:11049

約数の個数: 64

約数和(自身を含む): 67491360

約数和(自身を除く): 46319520

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, 320, 384, 480, 640, 960, 1920, 11027, 22054, 33081, 44108, 55135, 66162, 88216, 110270, 132324, 165405, 176432, 220540, 264648, 330810, 352864, 441080, 529296, 661620, 705728, 882160, 1058592, 1323240, 1411456, 1764320, 2117184, 2646480, 3528640, 4234368, 5292960, 7057280, 10585920, 21171840]

約数ペア:

[(1, 21171840), (2, 10585920), (3, 7057280), (4, 5292960), (5, 4234368), (6, 3528640), (8, 2646480), (10, 2117184), (12, 1764320), (15, 1411456), (16, 1323240), (20, 1058592), (24, 882160), (30, 705728), (32, 661620), (40, 529296), (48, 441080), (60, 352864), (64, 330810), (80, 264648), (96, 220540), (120, 176432), (128, 165405), (160, 132324), (192, 110270), (240, 88216), (320, 66162), (384, 55135), (480, 44108), (640, 33081), (960, 22054), (1920, 11027)]