21350168

素因数分解:

$2^3\times 7^1\times {\mathrm{381253}}^1$

素因数の和:381266

約数の個数: 16

約数和(自身を含む): 45750480

約数和(自身を除く): 24400312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 381253, 762506, 1525012, 2668771, 3050024, 5337542, 10675084, 21350168]

約数ペア:

[(1, 21350168), (2, 10675084), (4, 5337542), (7, 3050024), (8, 2668771), (14, 1525012), (28, 762506), (56, 381253)]