21004606

素因数分解:

$2^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{1823}}^1$

素因数の和:2655

約数の個数: 16

約数和(自身を含む): 36071424

約数和(自身を除く): 15066818

約数列:

[1, 2, 7, 14, 823, 1646, 1823, 3646, 5761, 11522, 12761, 25522, 1500329, 3000658, 10502303, 21004606]

約数ペア:

[(1, 21004606), (2, 10502303), (7, 3000658), (14, 1500329), (823, 25522), (1646, 12761), (1823, 11522), (3646, 5761)]