21514680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1811}}^1$

素因数の和:1842

約数の個数: 128

約数和(自身を含む): 78278400

約数和(自身を除く): 56763720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1811, 1980, 2376, 2970, 3622, 3960, 5433, 5940, 7244, 9055, 10866, 11880, 14488, 16299, 18110, 19921, 21732, 27165, 32598, 36220, 39842, 43464, 48897, 54330, 59763, 65196, 72440, 79684, 81495, 97794, 99605, 108660, 119526, 130392, 159368, 162990, 179289, 195588, 199210, 217320, 239052, 244485, 298815, 325980, 358578, 391176, 398420, 478104, 488970, 537867, 597630, 651960, 717156, 796840, 896445, 977940, 1075734, 1195260, 1434312, 1792890, 1955880, 2151468, 2390520, 2689335, 3585780, 4302936, 5378670, 7171560, 10757340, 21514680]

約数ペア:

[(1, 21514680), (2, 10757340), (3, 7171560), (4, 5378670), (5, 4302936), (6, 3585780), (8, 2689335), (9, 2390520), (10, 2151468), (11, 1955880), (12, 1792890), (15, 1434312), (18, 1195260), (20, 1075734), (22, 977940), (24, 896445), (27, 796840), (30, 717156), (33, 651960), (36, 597630), (40, 537867), (44, 488970), (45, 478104), (54, 398420), (55, 391176), (60, 358578), (66, 325980), (72, 298815), (88, 244485), (90, 239052), (99, 217320), (108, 199210), (110, 195588), (120, 179289), (132, 162990), (135, 159368), (165, 130392), (180, 119526), (198, 108660), (216, 99605), (220, 97794), (264, 81495), (270, 79684), (297, 72440), (330, 65196), (360, 59763), (396, 54330), (440, 48897), (495, 43464), (540, 39842), (594, 36220), (660, 32598), (792, 27165), (990, 21732), (1080, 19921), (1188, 18110), (1320, 16299), (1485, 14488), (1811, 11880), (1980, 10866), (2376, 9055), (2970, 7244), (3622, 5940), (3960, 5433)]