21795900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 73495296

約数和(自身を除く): 51699396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 97, 100, 105, 107, 140, 150, 175, 194, 210, 214, 291, 300, 321, 350, 388, 420, 428, 485, 525, 535, 582, 642, 679, 700, 749, 970, 1050, 1070, 1164, 1284, 1358, 1455, 1498, 1605, 1940, 2037, 2100, 2140, 2247, 2425, 2675, 2716, 2910, 2996, 3210, 3395, 3745, 4074, 4494, 4850, 5350, 5820, 6420, 6790, 7275, 7490, 8025, 8148, 8988, 9700, 10185, 10379, 10700, 11235, 13580, 14550, 14980, 16050, 16975, 18725, 20370, 20758, 22470, 29100, 31137, 32100, 33950, 37450, 40740, 41516, 44940, 50925, 51895, 56175, 62274, 67900, 72653, 74900, 101850, 103790, 112350, 124548, 145306, 155685, 203700, 207580, 217959, 224700, 259475, 290612, 311370, 363265, 435918, 518950, 622740, 726530, 778425, 871836, 1037900, 1089795, 1453060, 1556850, 1816325, 2179590, 3113700, 3632650, 4359180, 5448975, 7265300, 10897950, 21795900]

約数ペア:

[(1, 21795900), (2, 10897950), (3, 7265300), (4, 5448975), (5, 4359180), (6, 3632650), (7, 3113700), (10, 2179590), (12, 1816325), (14, 1556850), (15, 1453060), (20, 1089795), (21, 1037900), (25, 871836), (28, 778425), (30, 726530), (35, 622740), (42, 518950), (50, 435918), (60, 363265), (70, 311370), (75, 290612), (84, 259475), (97, 224700), (100, 217959), (105, 207580), (107, 203700), (140, 155685), (150, 145306), (175, 124548), (194, 112350), (210, 103790), (214, 101850), (291, 74900), (300, 72653), (321, 67900), (350, 62274), (388, 56175), (420, 51895), (428, 50925), (485, 44940), (525, 41516), (535, 40740), (582, 37450), (642, 33950), (679, 32100), (700, 31137), (749, 29100), (970, 22470), (1050, 20758), (1070, 20370), (1164, 18725), (1284, 16975), (1358, 16050), (1455, 14980), (1498, 14550), (1605, 13580), (1940, 11235), (2037, 10700), (2100, 10379), (2140, 10185), (2247, 9700), (2425, 8988), (2675, 8148), (2716, 8025), (2910, 7490), (2996, 7275), (3210, 6790), (3395, 6420), (3745, 5820), (4074, 5350), (4494, 4850)]