21688128

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:202

約数の個数: 224

約数和(自身を含む): 79979520

約数和(自身を除く): 58291392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 32, 33, 36, 42, 44, 48, 54, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 108, 112, 126, 132, 144, 154, 163, 168, 176, 189, 192, 198, 216, 224, 231, 252, 264, 288, 297, 308, 326, 336, 352, 378, 396, 432, 448, 462, 489, 504, 528, 576, 594, 616, 652, 672, 693, 704, 756, 792, 864, 924, 978, 1008, 1056, 1141, 1188, 1232, 1304, 1344, 1386, 1467, 1512, 1584, 1728, 1793, 1848, 1956, 2016, 2079, 2112, 2282, 2376, 2464, 2608, 2772, 2934, 3024, 3168, 3423, 3586, 3696, 3912, 4032, 4158, 4401, 4564, 4752, 4928, 5216, 5379, 5544, 5868, 6048, 6336, 6846, 7172, 7392, 7824, 8316, 8802, 9128, 9504, 10269, 10432, 10758, 11088, 11736, 12096, 12551, 13692, 14344, 14784, 15648, 16137, 16632, 17604, 18256, 19008, 20538, 21516, 22176, 23472, 25102, 27384, 28688, 30807, 31296, 32274, 33264, 35208, 36512, 37653, 41076, 43032, 44352, 46944, 48411, 50204, 54768, 57376, 61614, 64548, 66528, 70416, 73024, 75306, 82152, 86064, 93888, 96822, 100408, 109536, 112959, 114752, 123228, 129096, 133056, 140832, 150612, 164304, 172128, 193644, 200816, 219072, 225918, 246456, 258192, 281664, 301224, 328608, 338877, 344256, 387288, 401632, 451836, 492912, 516384, 602448, 657216, 677754, 774576, 803264, 903672, 985824, 1032768, 1204896, 1355508, 1549152, 1807344, 1971648, 2409792, 2711016, 3098304, 3614688, 5422032, 7229376, 10844064, 21688128]

約数ペア:

[(1, 21688128), (2, 10844064), (3, 7229376), (4, 5422032), (6, 3614688), (7, 3098304), (8, 2711016), (9, 2409792), (11, 1971648), (12, 1807344), (14, 1549152), (16, 1355508), (18, 1204896), (21, 1032768), (22, 985824), (24, 903672), (27, 803264), (28, 774576), (32, 677754), (33, 657216), (36, 602448), (42, 516384), (44, 492912), (48, 451836), (54, 401632), (56, 387288), (63, 344256), (64, 338877), (66, 328608), (72, 301224), (77, 281664), (84, 258192), (88, 246456), (96, 225918), (99, 219072), (108, 200816), (112, 193644), (126, 172128), (132, 164304), (144, 150612), (154, 140832), (163, 133056), (168, 129096), (176, 123228), (189, 114752), (192, 112959), (198, 109536), (216, 100408), (224, 96822), (231, 93888), (252, 86064), (264, 82152), (288, 75306), (297, 73024), (308, 70416), (326, 66528), (336, 64548), (352, 61614), (378, 57376), (396, 54768), (432, 50204), (448, 48411), (462, 46944), (489, 44352), (504, 43032), (528, 41076), (576, 37653), (594, 36512), (616, 35208), (652, 33264), (672, 32274), (693, 31296), (704, 30807), (756, 28688), (792, 27384), (864, 25102), (924, 23472), (978, 22176), (1008, 21516), (1056, 20538), (1141, 19008), (1188, 18256), (1232, 17604), (1304, 16632), (1344, 16137), (1386, 15648), (1467, 14784), (1512, 14344), (1584, 13692), (1728, 12551), (1793, 12096), (1848, 11736), (1956, 11088), (2016, 10758), (2079, 10432), (2112, 10269), (2282, 9504), (2376, 9128), (2464, 8802), (2608, 8316), (2772, 7824), (2934, 7392), (3024, 7172), (3168, 6846), (3423, 6336), (3586, 6048), (3696, 5868), (3912, 5544), (4032, 5379), (4158, 5216), (4401, 4928), (4564, 4752)]