21461097

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9551}}^1$

素因数の和:9668

約数の個数: 16

約数和(自身を含む): 33011712

約数和(自身を除く): 11550615

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 9551, 28653, 66857, 200571, 1021957, 3065871, 7153699, 21461097]

約数ペア:

[(1, 21461097), (3, 7153699), (7, 3065871), (21, 1021957), (107, 200571), (321, 66857), (749, 28653), (2247, 9551)]