21437856

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 68167008

約数和(自身を除く): 46729152

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 67, 72, 88, 96, 99, 101, 132, 134, 144, 176, 198, 201, 202, 264, 268, 288, 303, 352, 396, 402, 404, 528, 536, 603, 606, 737, 792, 804, 808, 909, 1056, 1072, 1111, 1206, 1212, 1474, 1584, 1608, 1616, 1818, 2144, 2211, 2222, 2412, 2424, 2948, 3168, 3216, 3232, 3333, 3636, 4422, 4444, 4824, 4848, 5896, 6432, 6633, 6666, 6767, 7272, 8844, 8888, 9648, 9696, 9999, 11792, 13266, 13332, 13534, 14544, 17688, 17776, 19296, 19998, 20301, 23584, 26532, 26664, 27068, 29088, 35376, 35552, 39996, 40602, 53064, 53328, 54136, 60903, 70752, 74437, 79992, 81204, 106128, 106656, 108272, 121806, 148874, 159984, 162408, 212256, 216544, 223311, 243612, 297748, 319968, 324816, 446622, 487224, 595496, 649632, 669933, 893244, 974448, 1190992, 1339866, 1786488, 1948896, 2381984, 2679732, 3572976, 5359464, 7145952, 10718928, 21437856]

約数ペア:

[(1, 21437856), (2, 10718928), (3, 7145952), (4, 5359464), (6, 3572976), (8, 2679732), (9, 2381984), (11, 1948896), (12, 1786488), (16, 1339866), (18, 1190992), (22, 974448), (24, 893244), (32, 669933), (33, 649632), (36, 595496), (44, 487224), (48, 446622), (66, 324816), (67, 319968), (72, 297748), (88, 243612), (96, 223311), (99, 216544), (101, 212256), (132, 162408), (134, 159984), (144, 148874), (176, 121806), (198, 108272), (201, 106656), (202, 106128), (264, 81204), (268, 79992), (288, 74437), (303, 70752), (352, 60903), (396, 54136), (402, 53328), (404, 53064), (528, 40602), (536, 39996), (603, 35552), (606, 35376), (737, 29088), (792, 27068), (804, 26664), (808, 26532), (909, 23584), (1056, 20301), (1072, 19998), (1111, 19296), (1206, 17776), (1212, 17688), (1474, 14544), (1584, 13534), (1608, 13332), (1616, 13266), (1818, 11792), (2144, 9999), (2211, 9696), (2222, 9648), (2412, 8888), (2424, 8844), (2948, 7272), (3168, 6767), (3216, 6666), (3232, 6633), (3333, 6432), (3636, 5896), (4422, 4848), (4444, 4824)]