21267400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1381}}^1$

素因数の和:1415

約数の個数: 96

約数和(自身を含む): 61692480

約数和(自身を除く): 40425080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 140, 154, 175, 200, 220, 275, 280, 308, 350, 385, 440, 550, 616, 700, 770, 1100, 1381, 1400, 1540, 1925, 2200, 2762, 3080, 3850, 5524, 6905, 7700, 9667, 11048, 13810, 15191, 15400, 19334, 27620, 30382, 34525, 38668, 48335, 55240, 60764, 69050, 75955, 77336, 96670, 106337, 121528, 138100, 151910, 193340, 212674, 241675, 276200, 303820, 379775, 386680, 425348, 483350, 531685, 607640, 759550, 850696, 966700, 1063370, 1519100, 1933400, 2126740, 2658425, 3038200, 4253480, 5316850, 10633700, 21267400]

約数ペア:

[(1, 21267400), (2, 10633700), (4, 5316850), (5, 4253480), (7, 3038200), (8, 2658425), (10, 2126740), (11, 1933400), (14, 1519100), (20, 1063370), (22, 966700), (25, 850696), (28, 759550), (35, 607640), (40, 531685), (44, 483350), (50, 425348), (55, 386680), (56, 379775), (70, 303820), (77, 276200), (88, 241675), (100, 212674), (110, 193340), (140, 151910), (154, 138100), (175, 121528), (200, 106337), (220, 96670), (275, 77336), (280, 75955), (308, 69050), (350, 60764), (385, 55240), (440, 48335), (550, 38668), (616, 34525), (700, 30382), (770, 27620), (1100, 19334), (1381, 15400), (1400, 15191), (1540, 13810), (1925, 11048), (2200, 9667), (2762, 7700), (3080, 6905), (3850, 5524)]