21650808

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{8431}}^1$

素因数の和:8547

約数の個数: 32

約数和(自身を含む): 54639360

約数和(自身を除く): 32988552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 8431, 16862, 25293, 33724, 50586, 67448, 101172, 202344, 902117, 1804234, 2706351, 3608468, 5412702, 7216936, 10825404, 21650808]

約数ペア:

[(1, 21650808), (2, 10825404), (3, 7216936), (4, 5412702), (6, 3608468), (8, 2706351), (12, 1804234), (24, 902117), (107, 202344), (214, 101172), (321, 67448), (428, 50586), (642, 33724), (856, 25293), (1284, 16862), (2568, 8431)]