21187644

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{367}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 52674048

約数和(自身を除く): 31486404

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 283, 367, 566, 734, 849, 1101, 1132, 1468, 1698, 2202, 3396, 4404, 4811, 6239, 9622, 12478, 14433, 18717, 19244, 24956, 28866, 37434, 57732, 74868, 103861, 207722, 311583, 415444, 623166, 1246332, 1765637, 3531274, 5296911, 7062548, 10593822, 21187644]

約数ペア:

[(1, 21187644), (2, 10593822), (3, 7062548), (4, 5296911), (6, 3531274), (12, 1765637), (17, 1246332), (34, 623166), (51, 415444), (68, 311583), (102, 207722), (204, 103861), (283, 74868), (367, 57732), (566, 37434), (734, 28866), (849, 24956), (1101, 19244), (1132, 18717), (1468, 14433), (1698, 12478), (2202, 9622), (3396, 6239), (4404, 4811)]