42747964

素因数分解:

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

素因数の和:21585

約数の個数: 24

約数和(自身を含む): 86704128

約数和(自身を除く): 43956164

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 21503, 43006, 86012, 150521, 301042, 602084, 1526713, 3053426, 6106852, 10686991, 21373982, 42747964]

約数ペア:

[(1, 42747964), (2, 21373982), (4, 10686991), (7, 6106852), (14, 3053426), (28, 1526713), (71, 602084), (142, 301042), (284, 150521), (497, 86012), (994, 43006), (1988, 21503)]