21762340

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2381}}^1$

素因数の和:2847

約数の個数: 24

約数和(自身を含む): 45820152

約数和(自身を除く): 24057812

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 2381, 4570, 4762, 9140, 9524, 11905, 23810, 47620, 1088117, 2176234, 4352468, 5440585, 10881170, 21762340]

約数ペア:

[(1, 21762340), (2, 10881170), (4, 5440585), (5, 4352468), (10, 2176234), (20, 1088117), (457, 47620), (914, 23810), (1828, 11905), (2285, 9524), (2381, 9140), (4570, 4762)]