21381792

素因数分解:

$2^5\times 3^1\times {\mathrm{71}}^1\times {\mathrm{3137}}^1$

素因数の和:3221

約数の個数: 48

約数和(自身を含む): 56935872

約数和(自身を除く): 35554080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 71, 96, 142, 213, 284, 426, 568, 852, 1136, 1704, 2272, 3137, 3408, 6274, 6816, 9411, 12548, 18822, 25096, 37644, 50192, 75288, 100384, 150576, 222727, 301152, 445454, 668181, 890908, 1336362, 1781816, 2672724, 3563632, 5345448, 7127264, 10690896, 21381792]

約数ペア:

[(1, 21381792), (2, 10690896), (3, 7127264), (4, 5345448), (6, 3563632), (8, 2672724), (12, 1781816), (16, 1336362), (24, 890908), (32, 668181), (48, 445454), (71, 301152), (96, 222727), (142, 150576), (213, 100384), (284, 75288), (426, 50192), (568, 37644), (852, 25096), (1136, 18822), (1704, 12548), (2272, 9411), (3137, 6816), (3408, 6274)]