21202188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1459}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 56904960

約数和(自身を除く): 35702772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 173, 346, 519, 692, 1038, 1211, 1459, 2076, 2422, 2918, 3633, 4377, 4844, 5836, 7266, 8754, 10213, 14532, 17508, 20426, 30639, 40852, 61278, 122556, 252407, 504814, 757221, 1009628, 1514442, 1766849, 3028884, 3533698, 5300547, 7067396, 10601094, 21202188]

約数ペア:

[(1, 21202188), (2, 10601094), (3, 7067396), (4, 5300547), (6, 3533698), (7, 3028884), (12, 1766849), (14, 1514442), (21, 1009628), (28, 757221), (42, 504814), (84, 252407), (173, 122556), (346, 61278), (519, 40852), (692, 30639), (1038, 20426), (1211, 17508), (1459, 14532), (2076, 10213), (2422, 8754), (2918, 7266), (3633, 5836), (4377, 4844)]