21048960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:618

約数の個数: 128

約数和(自身を含む): 70747200

約数和(自身を除く): 49698240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 577, 608, 640, 760, 912, 960, 1140, 1154, 1216, 1520, 1731, 1824, 1920, 2280, 2308, 2432, 2885, 3040, 3462, 3648, 4560, 4616, 5770, 6080, 6924, 7296, 8655, 9120, 9232, 10963, 11540, 12160, 13848, 17310, 18240, 18464, 21926, 23080, 27696, 32889, 34620, 36480, 36928, 43852, 46160, 54815, 55392, 65778, 69240, 73856, 87704, 92320, 109630, 110784, 131556, 138480, 164445, 175408, 184640, 219260, 221568, 263112, 276960, 328890, 350816, 369280, 438520, 526224, 553920, 657780, 701632, 877040, 1052448, 1107840, 1315560, 1403264, 1754080, 2104896, 2631120, 3508160, 4209792, 5262240, 7016320, 10524480, 21048960]

約数ペア:

[(1, 21048960), (2, 10524480), (3, 7016320), (4, 5262240), (5, 4209792), (6, 3508160), (8, 2631120), (10, 2104896), (12, 1754080), (15, 1403264), (16, 1315560), (19, 1107840), (20, 1052448), (24, 877040), (30, 701632), (32, 657780), (38, 553920), (40, 526224), (48, 438520), (57, 369280), (60, 350816), (64, 328890), (76, 276960), (80, 263112), (95, 221568), (96, 219260), (114, 184640), (120, 175408), (128, 164445), (152, 138480), (160, 131556), (190, 110784), (192, 109630), (228, 92320), (240, 87704), (285, 73856), (304, 69240), (320, 65778), (380, 55392), (384, 54815), (456, 46160), (480, 43852), (570, 36928), (577, 36480), (608, 34620), (640, 32889), (760, 27696), (912, 23080), (960, 21926), (1140, 18464), (1154, 18240), (1216, 17310), (1520, 13848), (1731, 12160), (1824, 11540), (1920, 10963), (2280, 9232), (2308, 9120), (2432, 8655), (2885, 7296), (3040, 6924), (3462, 6080), (3648, 5770), (4560, 4616)]