21328457184

素因数分解:

$2^5\times 3^2\times {\mathrm{613}}^1\times {\mathrm{120811}}^1$

素因数の和:121440

約数の個数: 72

約数和(自身を含む): 60752247192

約数和(自身を除く): 39423790008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 613, 1226, 1839, 2452, 3678, 4904, 5517, 7356, 9808, 11034, 14712, 19616, 22068, 29424, 44136, 58848, 88272, 120811, 176544, 241622, 362433, 483244, 724866, 966488, 1087299, 1449732, 1932976, 2174598, 2899464, 3865952, 4349196, 5798928, 8698392, 11597856, 17396784, 34793568, 74057143, 148114286, 222171429, 296228572, 444342858, 592457144, 666514287, 888685716, 1184914288, 1333028574, 1777371432, 2369828576, 2666057148, 3554742864, 5332114296, 7109485728, 10664228592, 21328457184]

約数ペア:

[(1, 21328457184), (2, 10664228592), (3, 7109485728), (4, 5332114296), (6, 3554742864), (8, 2666057148), (9, 2369828576), (12, 1777371432), (16, 1333028574), (18, 1184914288), (24, 888685716), (32, 666514287), (36, 592457144), (48, 444342858), (72, 296228572), (96, 222171429), (144, 148114286), (288, 74057143), (613, 34793568), (1226, 17396784), (1839, 11597856), (2452, 8698392), (3678, 5798928), (4904, 4349196), (5517, 3865952), (7356, 2899464), (9808, 2174598), (11034, 1932976), (14712, 1449732), (19616, 1087299), (22068, 966488), (29424, 724866), (44136, 483244), (58848, 362433), (88272, 241622), (120811, 176544)]