21570108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1217}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 57840384

約数和(自身を除く): 36270276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 1217, 1266, 1477, 2434, 2532, 2954, 3651, 4431, 4868, 5908, 7302, 8519, 8862, 14604, 17038, 17724, 25557, 34076, 51114, 102228, 256787, 513574, 770361, 1027148, 1540722, 1797509, 3081444, 3595018, 5392527, 7190036, 10785054, 21570108]

約数ペア:

[(1, 21570108), (2, 10785054), (3, 7190036), (4, 5392527), (6, 3595018), (7, 3081444), (12, 1797509), (14, 1540722), (21, 1027148), (28, 770361), (42, 513574), (84, 256787), (211, 102228), (422, 51114), (633, 34076), (844, 25557), (1217, 17724), (1266, 17038), (1477, 14604), (2434, 8862), (2532, 8519), (2954, 7302), (3651, 5908), (4431, 4868)]