21726320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3527}}^1$

素因数の和:3558

約数の個数: 80

約数和(自身を含む): 62995968

約数和(自身を除く): 41269648

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 3527, 6160, 7054, 14108, 17635, 24689, 28216, 35270, 38797, 49378, 56432, 70540, 77594, 98756, 123445, 141080, 155188, 193985, 197512, 246890, 271579, 282160, 310376, 387970, 395024, 493780, 543158, 620752, 775940, 987560, 1086316, 1357895, 1551880, 1975120, 2172632, 2715790, 3103760, 4345264, 5431580, 10863160, 21726320]

約数ペア:

[(1, 21726320), (2, 10863160), (4, 5431580), (5, 4345264), (7, 3103760), (8, 2715790), (10, 2172632), (11, 1975120), (14, 1551880), (16, 1357895), (20, 1086316), (22, 987560), (28, 775940), (35, 620752), (40, 543158), (44, 493780), (55, 395024), (56, 387970), (70, 310376), (77, 282160), (80, 271579), (88, 246890), (110, 197512), (112, 193985), (140, 155188), (154, 141080), (176, 123445), (220, 98756), (280, 77594), (308, 70540), (385, 56432), (440, 49378), (560, 38797), (616, 35270), (770, 28216), (880, 24689), (1232, 17635), (1540, 14108), (3080, 7054), (3527, 6160)]