21806173812

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{493397}}^1$

素因数の和:493560

約数の個数: 48

約数和(自身を含む): 53050152960

約数和(自身を除く): 31243979148

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 127, 174, 254, 348, 381, 508, 762, 1524, 3683, 7366, 11049, 14732, 22098, 44196, 493397, 986794, 1480191, 1973588, 2960382, 5920764, 14308513, 28617026, 42925539, 57234052, 62661419, 85851078, 125322838, 171702156, 187984257, 250645676, 375968514, 751937028, 1817181151, 3634362302, 5451543453, 7268724604, 10903086906, 21806173812]

約数ペア:

[(1, 21806173812), (2, 10903086906), (3, 7268724604), (4, 5451543453), (6, 3634362302), (12, 1817181151), (29, 751937028), (58, 375968514), (87, 250645676), (116, 187984257), (127, 171702156), (174, 125322838), (254, 85851078), (348, 62661419), (381, 57234052), (508, 42925539), (762, 28617026), (1524, 14308513), (3683, 5920764), (7366, 2960382), (11049, 1973588), (14732, 1480191), (22098, 986794), (44196, 493397)]