21126476

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10627}}^1$

素因数の和:10709

約数の個数: 24

約数和(自身を含む): 42852096

約数和(自身を除く): 21725620

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10627, 21254, 42508, 74389, 148778, 297556, 754517, 1509034, 3018068, 5281619, 10563238, 21126476]

約数ペア:

[(1, 21126476), (2, 10563238), (4, 5281619), (7, 3018068), (14, 1509034), (28, 754517), (71, 297556), (142, 148778), (284, 74389), (497, 42508), (994, 21254), (1988, 10627)]