21350994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4751}}^1$

素因数の和:4870

約数の個数: 32

約数和(自身を含む): 49268736

約数和(自身を除く): 27917742

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 4751, 9502, 14253, 28506, 33257, 66514, 99771, 199542, 508357, 1016714, 1525071, 3050142, 3558499, 7116998, 10675497, 21350994]

約数ペア:

[(1, 21350994), (2, 10675497), (3, 7116998), (6, 3558499), (7, 3050142), (14, 1525071), (21, 1016714), (42, 508357), (107, 199542), (214, 99771), (321, 66514), (642, 33257), (749, 28506), (1498, 14253), (2247, 9502), (4494, 4751)]