21949202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 37082880

約数和(自身を除く): 15133678

約数列:

[1, 2, 11, 22, 73, 79, 146, 158, 173, 346, 803, 869, 1606, 1738, 1903, 3806, 5767, 11534, 12629, 13667, 25258, 27334, 63437, 126874, 138919, 150337, 277838, 300674, 997691, 1995382, 10974601, 21949202]

約数ペア:

[(1, 21949202), (2, 10974601), (11, 1995382), (22, 997691), (73, 300674), (79, 277838), (146, 150337), (158, 138919), (173, 126874), (346, 63437), (803, 27334), (869, 25258), (1606, 13667), (1738, 12629), (1903, 11534), (3806, 5767)]