21259392

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:754

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 49243008

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 128, 132, 154, 168, 176, 192, 224, 231, 264, 308, 336, 352, 384, 448, 462, 528, 616, 672, 704, 719, 896, 924, 1056, 1232, 1344, 1408, 1438, 1848, 2112, 2157, 2464, 2688, 2876, 3696, 4224, 4314, 4928, 5033, 5752, 7392, 7909, 8628, 9856, 10066, 11504, 14784, 15099, 15818, 17256, 20132, 23008, 23727, 29568, 30198, 31636, 34512, 40264, 46016, 47454, 55363, 60396, 63272, 69024, 80528, 92032, 94908, 110726, 120792, 126544, 138048, 161056, 166089, 189816, 221452, 241584, 253088, 276096, 322112, 332178, 379632, 442904, 483168, 506176, 644224, 664356, 759264, 885808, 966336, 1012352, 1328712, 1518528, 1771616, 1932672, 2657424, 3037056, 3543232, 5314848, 7086464, 10629696, 21259392]

約数ペア:

[(1, 21259392), (2, 10629696), (3, 7086464), (4, 5314848), (6, 3543232), (7, 3037056), (8, 2657424), (11, 1932672), (12, 1771616), (14, 1518528), (16, 1328712), (21, 1012352), (22, 966336), (24, 885808), (28, 759264), (32, 664356), (33, 644224), (42, 506176), (44, 483168), (48, 442904), (56, 379632), (64, 332178), (66, 322112), (77, 276096), (84, 253088), (88, 241584), (96, 221452), (112, 189816), (128, 166089), (132, 161056), (154, 138048), (168, 126544), (176, 120792), (192, 110726), (224, 94908), (231, 92032), (264, 80528), (308, 69024), (336, 63272), (352, 60396), (384, 55363), (448, 47454), (462, 46016), (528, 40264), (616, 34512), (672, 31636), (704, 30198), (719, 29568), (896, 23727), (924, 23008), (1056, 20132), (1232, 17256), (1344, 15818), (1408, 15099), (1438, 14784), (1848, 11504), (2112, 10066), (2157, 9856), (2464, 8628), (2688, 7909), (2876, 7392), (3696, 5752), (4224, 5033), (4314, 4928)]