21036400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{683}}^1$

素因数の和:719

約数の個数: 120

約数和(自身を含む): 63103104

約数和(自身を除く): 42066704

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 175, 176, 200, 220, 275, 280, 308, 350, 385, 400, 440, 550, 560, 616, 683, 700, 770, 880, 1100, 1232, 1366, 1400, 1540, 1925, 2200, 2732, 2800, 3080, 3415, 3850, 4400, 4781, 5464, 6160, 6830, 7513, 7700, 9562, 10928, 13660, 15026, 15400, 17075, 19124, 23905, 27320, 30052, 30800, 34150, 37565, 38248, 47810, 52591, 54640, 60104, 68300, 75130, 76496, 95620, 105182, 119525, 120208, 136600, 150260, 187825, 191240, 210364, 239050, 262955, 273200, 300520, 375650, 382480, 420728, 478100, 525910, 601040, 751300, 841456, 956200, 1051820, 1314775, 1502600, 1912400, 2103640, 2629550, 3005200, 4207280, 5259100, 10518200, 21036400]

約数ペア:

[(1, 21036400), (2, 10518200), (4, 5259100), (5, 4207280), (7, 3005200), (8, 2629550), (10, 2103640), (11, 1912400), (14, 1502600), (16, 1314775), (20, 1051820), (22, 956200), (25, 841456), (28, 751300), (35, 601040), (40, 525910), (44, 478100), (50, 420728), (55, 382480), (56, 375650), (70, 300520), (77, 273200), (80, 262955), (88, 239050), (100, 210364), (110, 191240), (112, 187825), (140, 150260), (154, 136600), (175, 120208), (176, 119525), (200, 105182), (220, 95620), (275, 76496), (280, 75130), (308, 68300), (350, 60104), (385, 54640), (400, 52591), (440, 47810), (550, 38248), (560, 37565), (616, 34150), (683, 30800), (700, 30052), (770, 27320), (880, 23905), (1100, 19124), (1232, 17075), (1366, 15400), (1400, 15026), (1540, 13660), (1925, 10928), (2200, 9562), (2732, 7700), (2800, 7513), (3080, 6830), (3415, 6160), (3850, 5464), (4400, 4781)]