21435378

素因数分解:

$2^1\times 3^1\times {\mathrm{653}}^1\times {\mathrm{5471}}^1$

素因数の和:6129

約数の個数: 16

約数和(自身を含む): 42944256

約数和(自身を除く): 21508878

約数列:

[1, 2, 3, 6, 653, 1306, 1959, 3918, 5471, 10942, 16413, 32826, 3572563, 7145126, 10717689, 21435378]

約数ペア:

[(1, 21435378), (2, 10717689), (3, 7145126), (6, 3572563), (653, 32826), (1306, 16413), (1959, 10942), (3918, 5471)]