21257839680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{287579}}^1$

素因数の和:287617

約数の個数: 224

約数和(自身を含む): 84148208640

約数和(自身を除く): 62890368960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 385, 420, 440, 448, 462, 480, 528, 560, 616, 660, 672, 704, 770, 840, 880, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1540, 1680, 1760, 1848, 2112, 2240, 2310, 2464, 2640, 3080, 3360, 3520, 3696, 4620, 4928, 5280, 6160, 6720, 7392, 9240, 10560, 12320, 14784, 18480, 24640, 36960, 73920, 287579, 575158, 862737, 1150316, 1437895, 1725474, 2013053, 2300632, 2875790, 3163369, 3450948, 4026106, 4313685, 4601264, 5751580, 6039159, 6326738, 6901896, 8052212, 8627370, 9202528, 9490107, 10065265, 11503160, 12078318, 12653476, 13803792, 15816845, 16104424, 17254740, 18405056, 18980214, 20130530, 22143583, 23006320, 24156636, 25306952, 27607584, 30195795, 31633690, 32208848, 34509480, 37960428, 40261060, 44287166, 46012640, 47450535, 48313272, 50613904, 55215168, 60391590, 63267380, 64417696, 66430749, 69018960, 75920856, 80522120, 88574332, 92025280, 94901070, 96626544, 101227808, 110717915, 120783180, 126534760, 128835392, 132861498, 138037920, 151841712, 161044240, 177148664, 189802140, 193253088, 202455616, 221435830, 241566360, 253069520, 265722996, 276075840, 303683424, 322088480, 332153745, 354297328, 379604280, 386506176, 442871660, 483132720, 506139040, 531445992, 607366848, 644176960, 664307490, 708594656, 759208560, 885743320, 966265440, 1012278080, 1062891984, 1328614980, 1417189312, 1518417120, 1771486640, 1932530880, 2125783968, 2657229960, 3036834240, 3542973280, 4251567936, 5314459920, 7085946560, 10628919840, 21257839680]

約数ペア:

[(1, 21257839680), (2, 10628919840), (3, 7085946560), (4, 5314459920), (5, 4251567936), (6, 3542973280), (7, 3036834240), (8, 2657229960), (10, 2125783968), (11, 1932530880), (12, 1771486640), (14, 1518417120), (15, 1417189312), (16, 1328614980), (20, 1062891984), (21, 1012278080), (22, 966265440), (24, 885743320), (28, 759208560), (30, 708594656), (32, 664307490), (33, 644176960), (35, 607366848), (40, 531445992), (42, 506139040), (44, 483132720), (48, 442871660), (55, 386506176), (56, 379604280), (60, 354297328), (64, 332153745), (66, 322088480), (70, 303683424), (77, 276075840), (80, 265722996), (84, 253069520), (88, 241566360), (96, 221435830), (105, 202455616), (110, 193253088), (112, 189802140), (120, 177148664), (132, 161044240), (140, 151841712), (154, 138037920), (160, 132861498), (165, 128835392), (168, 126534760), (176, 120783180), (192, 110717915), (210, 101227808), (220, 96626544), (224, 94901070), (231, 92025280), (240, 88574332), (264, 80522120), (280, 75920856), (308, 69018960), (320, 66430749), (330, 64417696), (336, 63267380), (352, 60391590), (385, 55215168), (420, 50613904), (440, 48313272), (448, 47450535), (462, 46012640), (480, 44287166), (528, 40261060), (560, 37960428), (616, 34509480), (660, 32208848), (672, 31633690), (704, 30195795), (770, 27607584), (840, 25306952), (880, 24156636), (924, 23006320), (960, 22143583), (1056, 20130530), (1120, 18980214), (1155, 18405056), (1232, 17254740), (1320, 16104424), (1344, 15816845), (1540, 13803792), (1680, 12653476), (1760, 12078318), (1848, 11503160), (2112, 10065265), (2240, 9490107), (2310, 9202528), (2464, 8627370), (2640, 8052212), (3080, 6901896), (3360, 6326738), (3520, 6039159), (3696, 5751580), (4620, 4601264), (4928, 4313685), (5280, 4026106), (6160, 3450948), (6720, 3163369), (7392, 2875790), (9240, 2300632), (10560, 2013053), (12320, 1725474), (14784, 1437895), (18480, 1150316), (24640, 862737), (36960, 575158), (73920, 287579)]