21801150

素因数分解:

$2^1\times 3^4\times 5^2\times 7^1\times {\mathrm{769}}^1$

素因数の和:800

約数の個数: 120

約数和(自身を含む): 69318480

約数和(自身を除く): 47517330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 225, 270, 315, 350, 378, 405, 450, 525, 567, 630, 675, 769, 810, 945, 1050, 1134, 1350, 1538, 1575, 1890, 2025, 2307, 2835, 3150, 3845, 4050, 4614, 4725, 5383, 5670, 6921, 7690, 9450, 10766, 11535, 13842, 14175, 16149, 19225, 20763, 23070, 26915, 28350, 32298, 34605, 38450, 41526, 48447, 53830, 57675, 62289, 69210, 80745, 96894, 103815, 115350, 124578, 134575, 145341, 161490, 173025, 207630, 242235, 269150, 290682, 311445, 346050, 403725, 436023, 484470, 519075, 622890, 726705, 807450, 872046, 1038150, 1211175, 1453410, 1557225, 2180115, 2422350, 3114450, 3633525, 4360230, 7267050, 10900575, 21801150]

約数ペア:

[(1, 21801150), (2, 10900575), (3, 7267050), (5, 4360230), (6, 3633525), (7, 3114450), (9, 2422350), (10, 2180115), (14, 1557225), (15, 1453410), (18, 1211175), (21, 1038150), (25, 872046), (27, 807450), (30, 726705), (35, 622890), (42, 519075), (45, 484470), (50, 436023), (54, 403725), (63, 346050), (70, 311445), (75, 290682), (81, 269150), (90, 242235), (105, 207630), (126, 173025), (135, 161490), (150, 145341), (162, 134575), (175, 124578), (189, 115350), (210, 103815), (225, 96894), (270, 80745), (315, 69210), (350, 62289), (378, 57675), (405, 53830), (450, 48447), (525, 41526), (567, 38450), (630, 34605), (675, 32298), (769, 28350), (810, 26915), (945, 23070), (1050, 20763), (1134, 19225), (1350, 16149), (1538, 14175), (1575, 13842), (1890, 11535), (2025, 10766), (2307, 9450), (2835, 7690), (3150, 6921), (3845, 5670), (4050, 5383), (4614, 4725)]