21700936

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20707}}^1$

素因数の和:20844

約数の個数: 16

約数和(自身を含む): 41001840

約数和(自身を除く): 19300904

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20707, 41414, 82828, 165656, 2712617, 5425234, 10850468, 21700936]

約数ペア:

[(1, 21700936), (2, 10850468), (4, 5425234), (8, 2712617), (131, 165656), (262, 82828), (524, 41414), (1048, 20707)]