21518880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:498

約数の個数: 96

約数和(自身を含む): 68511744

約数和(自身を除く): 46992864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 127, 160, 240, 254, 353, 381, 480, 508, 635, 706, 762, 1016, 1059, 1270, 1412, 1524, 1765, 1905, 2032, 2118, 2540, 2824, 3048, 3530, 3810, 4064, 4236, 5080, 5295, 5648, 6096, 7060, 7620, 8472, 10160, 10590, 11296, 12192, 14120, 15240, 16944, 20320, 21180, 28240, 30480, 33888, 42360, 44831, 56480, 60960, 84720, 89662, 134493, 169440, 179324, 224155, 268986, 358648, 448310, 537972, 672465, 717296, 896620, 1075944, 1344930, 1434592, 1793240, 2151888, 2689860, 3586480, 4303776, 5379720, 7172960, 10759440, 21518880]

約数ペア:

[(1, 21518880), (2, 10759440), (3, 7172960), (4, 5379720), (5, 4303776), (6, 3586480), (8, 2689860), (10, 2151888), (12, 1793240), (15, 1434592), (16, 1344930), (20, 1075944), (24, 896620), (30, 717296), (32, 672465), (40, 537972), (48, 448310), (60, 358648), (80, 268986), (96, 224155), (120, 179324), (127, 169440), (160, 134493), (240, 89662), (254, 84720), (353, 60960), (381, 56480), (480, 44831), (508, 42360), (635, 33888), (706, 30480), (762, 28240), (1016, 21180), (1059, 20320), (1270, 16944), (1412, 15240), (1524, 14120), (1765, 12192), (1905, 11296), (2032, 10590), (2118, 10160), (2540, 8472), (2824, 7620), (3048, 7060), (3530, 6096), (3810, 5648), (4064, 5295), (4236, 5080)]