21887712

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:91

約数の個数: 288

約数和(自身を含む): 82736640

約数和(自身を除く): 60848928

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, 47, 48, 49, 54, 56, 63, 66, 72, 77, 84, 88, 94, 96, 98, 99, 108, 112, 126, 132, 141, 144, 147, 154, 168, 176, 188, 189, 196, 198, 216, 224, 231, 252, 264, 282, 288, 294, 297, 308, 329, 336, 352, 376, 378, 392, 396, 423, 432, 441, 462, 504, 517, 528, 539, 564, 588, 594, 616, 658, 672, 693, 752, 756, 784, 792, 846, 864, 882, 924, 987, 1008, 1034, 1056, 1078, 1128, 1176, 1188, 1232, 1269, 1316, 1323, 1386, 1504, 1512, 1551, 1568, 1584, 1617, 1692, 1764, 1848, 1974, 2016, 2068, 2079, 2156, 2256, 2303, 2352, 2376, 2464, 2538, 2632, 2646, 2772, 2961, 3024, 3102, 3168, 3234, 3384, 3528, 3619, 3696, 3948, 4136, 4158, 4312, 4512, 4606, 4653, 4704, 4752, 4851, 5076, 5264, 5292, 5544, 5922, 6048, 6204, 6468, 6768, 6909, 7056, 7238, 7392, 7896, 8272, 8316, 8624, 8883, 9212, 9306, 9504, 9702, 10152, 10528, 10584, 10857, 11088, 11844, 12408, 12936, 13536, 13818, 13959, 14112, 14476, 14553, 15792, 16544, 16632, 17248, 17766, 18424, 18612, 19404, 20304, 20727, 21168, 21714, 22176, 23688, 24816, 25333, 25872, 27636, 27918, 28952, 29106, 31584, 32571, 33264, 35532, 36848, 37224, 38808, 40608, 41454, 42336, 43428, 47376, 49632, 50666, 51744, 55272, 55836, 57904, 58212, 62181, 65142, 66528, 71064, 73696, 74448, 75999, 77616, 82908, 86856, 94752, 97713, 101332, 110544, 111672, 115808, 116424, 124362, 130284, 142128, 148896, 151998, 155232, 165816, 173712, 195426, 202664, 221088, 223344, 227997, 232848, 248724, 260568, 284256, 303996, 331632, 347424, 390852, 405328, 446688, 455994, 465696, 497448, 521136, 607992, 663264, 683991, 781704, 810656, 911988, 994896, 1042272, 1215984, 1367982, 1563408, 1823976, 1989792, 2431968, 2735964, 3126816, 3647952, 5471928, 7295904, 10943856, 21887712]

約数ペア:

[(1, 21887712), (2, 10943856), (3, 7295904), (4, 5471928), (6, 3647952), (7, 3126816), (8, 2735964), (9, 2431968), (11, 1989792), (12, 1823976), (14, 1563408), (16, 1367982), (18, 1215984), (21, 1042272), (22, 994896), (24, 911988), (27, 810656), (28, 781704), (32, 683991), (33, 663264), (36, 607992), (42, 521136), (44, 497448), (47, 465696), (48, 455994), (49, 446688), (54, 405328), (56, 390852), (63, 347424), (66, 331632), (72, 303996), (77, 284256), (84, 260568), (88, 248724), (94, 232848), (96, 227997), (98, 223344), (99, 221088), (108, 202664), (112, 195426), (126, 173712), (132, 165816), (141, 155232), (144, 151998), (147, 148896), (154, 142128), (168, 130284), (176, 124362), (188, 116424), (189, 115808), (196, 111672), (198, 110544), (216, 101332), (224, 97713), (231, 94752), (252, 86856), (264, 82908), (282, 77616), (288, 75999), (294, 74448), (297, 73696), (308, 71064), (329, 66528), (336, 65142), (352, 62181), (376, 58212), (378, 57904), (392, 55836), (396, 55272), (423, 51744), (432, 50666), (441, 49632), (462, 47376), (504, 43428), (517, 42336), (528, 41454), (539, 40608), (564, 38808), (588, 37224), (594, 36848), (616, 35532), (658, 33264), (672, 32571), (693, 31584), (752, 29106), (756, 28952), (784, 27918), (792, 27636), (846, 25872), (864, 25333), (882, 24816), (924, 23688), (987, 22176), (1008, 21714), (1034, 21168), (1056, 20727), (1078, 20304), (1128, 19404), (1176, 18612), (1188, 18424), (1232, 17766), (1269, 17248), (1316, 16632), (1323, 16544), (1386, 15792), (1504, 14553), (1512, 14476), (1551, 14112), (1568, 13959), (1584, 13818), (1617, 13536), (1692, 12936), (1764, 12408), (1848, 11844), (1974, 11088), (2016, 10857), (2068, 10584), (2079, 10528), (2156, 10152), (2256, 9702), (2303, 9504), (2352, 9306), (2376, 9212), (2464, 8883), (2538, 8624), (2632, 8316), (2646, 8272), (2772, 7896), (2961, 7392), (3024, 7238), (3102, 7056), (3168, 6909), (3234, 6768), (3384, 6468), (3528, 6204), (3619, 6048), (3696, 5922), (3948, 5544), (4136, 5292), (4158, 5264), (4312, 5076), (4512, 4851), (4606, 4752), (4653, 4704)]