21492864

素因数分解:

$2^7\times 3^5\times {\mathrm{691}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 64231440

約数和(自身を除く): 42738576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 288, 324, 384, 432, 486, 576, 648, 691, 864, 972, 1152, 1296, 1382, 1728, 1944, 2073, 2592, 2764, 3456, 3888, 4146, 5184, 5528, 6219, 7776, 8292, 10368, 11056, 12438, 15552, 16584, 18657, 22112, 24876, 31104, 33168, 37314, 44224, 49752, 55971, 66336, 74628, 88448, 99504, 111942, 132672, 149256, 167913, 199008, 223884, 265344, 298512, 335826, 398016, 447768, 597024, 671652, 796032, 895536, 1194048, 1343304, 1791072, 2388096, 2686608, 3582144, 5373216, 7164288, 10746432, 21492864]

約数ペア:

[(1, 21492864), (2, 10746432), (3, 7164288), (4, 5373216), (6, 3582144), (8, 2686608), (9, 2388096), (12, 1791072), (16, 1343304), (18, 1194048), (24, 895536), (27, 796032), (32, 671652), (36, 597024), (48, 447768), (54, 398016), (64, 335826), (72, 298512), (81, 265344), (96, 223884), (108, 199008), (128, 167913), (144, 149256), (162, 132672), (192, 111942), (216, 99504), (243, 88448), (288, 74628), (324, 66336), (384, 55971), (432, 49752), (486, 44224), (576, 37314), (648, 33168), (691, 31104), (864, 24876), (972, 22112), (1152, 18657), (1296, 16584), (1382, 15552), (1728, 12438), (1944, 11056), (2073, 10368), (2592, 8292), (2764, 7776), (3456, 6219), (3888, 5528), (4146, 5184)]