21194800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4817}}^1$

素因数の和:4846

約数の個数: 60

約数和(自身を含む): 55561176

約数和(自身を除く): 34366376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4817, 9634, 19268, 24085, 38536, 48170, 52987, 77072, 96340, 105974, 120425, 192680, 211948, 240850, 264935, 385360, 423896, 481700, 529870, 847792, 963400, 1059740, 1324675, 1926800, 2119480, 2649350, 4238960, 5298700, 10597400, 21194800]

約数ペア:

[(1, 21194800), (2, 10597400), (4, 5298700), (5, 4238960), (8, 2649350), (10, 2119480), (11, 1926800), (16, 1324675), (20, 1059740), (22, 963400), (25, 847792), (40, 529870), (44, 481700), (50, 423896), (55, 385360), (80, 264935), (88, 240850), (100, 211948), (110, 192680), (176, 120425), (200, 105974), (220, 96340), (275, 77072), (400, 52987), (440, 48170), (550, 38536), (880, 24085), (1100, 19268), (2200, 9634), (4400, 4817)]