21373982

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21503}}^1$

素因数の和:21583

約数の個数: 16

約数和(自身を含む): 37158912

約数和(自身を除く): 15784930

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 21503, 43006, 150521, 301042, 1526713, 3053426, 10686991, 21373982]

約数ペア:

[(1, 21373982), (2, 10686991), (7, 3053426), (14, 1526713), (71, 301042), (142, 150521), (497, 43006), (994, 21503)]