21811050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2551}}^1$

素因数の和:2588

約数の個数: 72

約数和(自身を含む): 61707360

約数和(自身を除く): 39896310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2551, 2850, 4275, 5102, 7653, 8550, 12755, 15306, 22959, 25510, 38265, 45918, 48469, 63775, 76530, 96938, 114795, 127550, 145407, 191325, 229590, 242345, 290814, 382650, 436221, 484690, 573975, 727035, 872442, 1147950, 1211725, 1454070, 2181105, 2423450, 3635175, 4362210, 7270350, 10905525, 21811050]

約数ペア:

[(1, 21811050), (2, 10905525), (3, 7270350), (5, 4362210), (6, 3635175), (9, 2423450), (10, 2181105), (15, 1454070), (18, 1211725), (19, 1147950), (25, 872442), (30, 727035), (38, 573975), (45, 484690), (50, 436221), (57, 382650), (75, 290814), (90, 242345), (95, 229590), (114, 191325), (150, 145407), (171, 127550), (190, 114795), (225, 96938), (285, 76530), (342, 63775), (450, 48469), (475, 45918), (570, 38265), (855, 25510), (950, 22959), (1425, 15306), (1710, 12755), (2551, 8550), (2850, 7653), (4275, 5102)]