21105444

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1627}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 52512768

約数和(自身を除く): 31407324

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 69, 92, 94, 138, 141, 188, 276, 282, 564, 1081, 1627, 2162, 3243, 3254, 4324, 4881, 6486, 6508, 9762, 12972, 19524, 37421, 74842, 76469, 112263, 149684, 152938, 224526, 229407, 305876, 449052, 458814, 917628, 1758787, 3517574, 5276361, 7035148, 10552722, 21105444]

約数ペア:

[(1, 21105444), (2, 10552722), (3, 7035148), (4, 5276361), (6, 3517574), (12, 1758787), (23, 917628), (46, 458814), (47, 449052), (69, 305876), (92, 229407), (94, 224526), (138, 152938), (141, 149684), (188, 112263), (276, 76469), (282, 74842), (564, 37421), (1081, 19524), (1627, 12972), (2162, 9762), (3243, 6508), (3254, 6486), (4324, 4881)]