21167141744

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{164771}}^1$

素因数の和:164854

約数の個数: 80

約数和(自身を含む): 49689962496

約数和(自身を除く): 28522820752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 74, 112, 124, 148, 217, 248, 259, 296, 434, 496, 518, 592, 868, 1036, 1147, 1736, 2072, 2294, 3472, 4144, 4588, 8029, 9176, 16058, 18352, 32116, 64232, 128464, 164771, 329542, 659084, 1153397, 1318168, 2306794, 2636336, 4613588, 5107901, 6096527, 9227176, 10215802, 12193054, 18454352, 20431604, 24386108, 35755307, 40863208, 42675689, 48772216, 71510614, 81726416, 85351378, 97544432, 143021228, 170702756, 188992337, 286042456, 341405512, 377984674, 572084912, 682811024, 755969348, 1322946359, 1511938696, 2645892718, 3023877392, 5291785436, 10583570872, 21167141744]

約数ペア:

[(1, 21167141744), (2, 10583570872), (4, 5291785436), (7, 3023877392), (8, 2645892718), (14, 1511938696), (16, 1322946359), (28, 755969348), (31, 682811024), (37, 572084912), (56, 377984674), (62, 341405512), (74, 286042456), (112, 188992337), (124, 170702756), (148, 143021228), (217, 97544432), (248, 85351378), (259, 81726416), (296, 71510614), (434, 48772216), (496, 42675689), (518, 40863208), (592, 35755307), (868, 24386108), (1036, 20431604), (1147, 18454352), (1736, 12193054), (2072, 10215802), (2294, 9227176), (3472, 6096527), (4144, 5107901), (4588, 4613588), (8029, 2636336), (9176, 2306794), (16058, 1318168), (18352, 1153397), (32116, 659084), (64232, 329542), (128464, 164771)]