21117888

素因数分解:

$2^6\times 3^3\times {\mathrm{11}}^2\times {\mathrm{101}}^1$

素因数の和:144

約数の個数: 168

約数和(自身を含む): 68915280

約数和(自身を除く): 47797392

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 64, 66, 72, 88, 96, 99, 101, 108, 121, 132, 144, 176, 192, 198, 202, 216, 242, 264, 288, 297, 303, 352, 363, 396, 404, 432, 484, 528, 576, 594, 606, 704, 726, 792, 808, 864, 909, 968, 1056, 1089, 1111, 1188, 1212, 1452, 1584, 1616, 1728, 1818, 1936, 2112, 2178, 2222, 2376, 2424, 2727, 2904, 3168, 3232, 3267, 3333, 3636, 3872, 4356, 4444, 4752, 4848, 5454, 5808, 6336, 6464, 6534, 6666, 7272, 7744, 8712, 8888, 9504, 9696, 9999, 10908, 11616, 12221, 13068, 13332, 14544, 17424, 17776, 19008, 19392, 19998, 21816, 23232, 24442, 26136, 26664, 29088, 29997, 34848, 35552, 36663, 39996, 43632, 48884, 52272, 53328, 58176, 59994, 69696, 71104, 73326, 79992, 87264, 97768, 104544, 106656, 109989, 119988, 146652, 159984, 174528, 195536, 209088, 213312, 219978, 239976, 293304, 319968, 329967, 391072, 439956, 479952, 586608, 639936, 659934, 782144, 879912, 959904, 1173216, 1319868, 1759824, 1919808, 2346432, 2639736, 3519648, 5279472, 7039296, 10558944, 21117888]

約数ペア:

[(1, 21117888), (2, 10558944), (3, 7039296), (4, 5279472), (6, 3519648), (8, 2639736), (9, 2346432), (11, 1919808), (12, 1759824), (16, 1319868), (18, 1173216), (22, 959904), (24, 879912), (27, 782144), (32, 659934), (33, 639936), (36, 586608), (44, 479952), (48, 439956), (54, 391072), (64, 329967), (66, 319968), (72, 293304), (88, 239976), (96, 219978), (99, 213312), (101, 209088), (108, 195536), (121, 174528), (132, 159984), (144, 146652), (176, 119988), (192, 109989), (198, 106656), (202, 104544), (216, 97768), (242, 87264), (264, 79992), (288, 73326), (297, 71104), (303, 69696), (352, 59994), (363, 58176), (396, 53328), (404, 52272), (432, 48884), (484, 43632), (528, 39996), (576, 36663), (594, 35552), (606, 34848), (704, 29997), (726, 29088), (792, 26664), (808, 26136), (864, 24442), (909, 23232), (968, 21816), (1056, 19998), (1089, 19392), (1111, 19008), (1188, 17776), (1212, 17424), (1452, 14544), (1584, 13332), (1616, 13068), (1728, 12221), (1818, 11616), (1936, 10908), (2112, 9999), (2178, 9696), (2222, 9504), (2376, 8888), (2424, 8712), (2727, 7744), (2904, 7272), (3168, 6666), (3232, 6534), (3267, 6464), (3333, 6336), (3636, 5808), (3872, 5454), (4356, 4848), (4444, 4752)]