21666960

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1433}}^1$

素因数の和:1462

約数の個数: 160

約数和(自身を含む): 85351680

約数和(自身を除く): 63684720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1433, 1512, 1680, 1890, 2160, 2520, 2866, 3024, 3780, 4299, 5040, 5732, 7165, 7560, 8598, 10031, 11464, 12897, 14330, 15120, 17196, 20062, 21495, 22928, 25794, 28660, 30093, 34392, 38691, 40124, 42990, 50155, 51588, 57320, 60186, 64485, 68784, 77382, 80248, 85980, 90279, 100310, 103176, 114640, 120372, 128970, 150465, 154764, 160496, 171960, 180558, 193455, 200620, 206352, 240744, 257940, 270837, 300930, 309528, 343920, 361116, 386910, 401240, 451395, 481488, 515880, 541674, 601860, 619056, 722232, 773820, 802480, 902790, 1031760, 1083348, 1203720, 1354185, 1444464, 1547640, 1805580, 2166696, 2407440, 2708370, 3095280, 3611160, 4333392, 5416740, 7222320, 10833480, 21666960]

約数ペア:

[(1, 21666960), (2, 10833480), (3, 7222320), (4, 5416740), (5, 4333392), (6, 3611160), (7, 3095280), (8, 2708370), (9, 2407440), (10, 2166696), (12, 1805580), (14, 1547640), (15, 1444464), (16, 1354185), (18, 1203720), (20, 1083348), (21, 1031760), (24, 902790), (27, 802480), (28, 773820), (30, 722232), (35, 619056), (36, 601860), (40, 541674), (42, 515880), (45, 481488), (48, 451395), (54, 401240), (56, 386910), (60, 361116), (63, 343920), (70, 309528), (72, 300930), (80, 270837), (84, 257940), (90, 240744), (105, 206352), (108, 200620), (112, 193455), (120, 180558), (126, 171960), (135, 160496), (140, 154764), (144, 150465), (168, 128970), (180, 120372), (189, 114640), (210, 103176), (216, 100310), (240, 90279), (252, 85980), (270, 80248), (280, 77382), (315, 68784), (336, 64485), (360, 60186), (378, 57320), (420, 51588), (432, 50155), (504, 42990), (540, 40124), (560, 38691), (630, 34392), (720, 30093), (756, 28660), (840, 25794), (945, 22928), (1008, 21495), (1080, 20062), (1260, 17196), (1433, 15120), (1512, 14330), (1680, 12897), (1890, 11464), (2160, 10031), (2520, 8598), (2866, 7560), (3024, 7165), (3780, 5732), (4299, 5040)]