21261822

素因数分解:

$2^1\times 3^1\times {\mathrm{401}}^1\times {\mathrm{8837}}^1$

素因数の和:9243

約数の個数: 16

約数和(自身を含む): 42634512

約数和(自身を除く): 21372690

約数列:

[1, 2, 3, 6, 401, 802, 1203, 2406, 8837, 17674, 26511, 53022, 3543637, 7087274, 10630911, 21261822]

約数ペア:

[(1, 21261822), (2, 10630911), (3, 7087274), (6, 3543637), (401, 53022), (802, 26511), (1203, 17674), (2406, 8837)]