21497898

素因数分解:

$2^1\times 3^1\times {\mathrm{659}}^1\times {\mathrm{5437}}^1$

素因数の和:6101

約数の個数: 16

約数和(自身を含む): 43068960

約数和(自身を除く): 21571062

約数列:

[1, 2, 3, 6, 659, 1318, 1977, 3954, 5437, 10874, 16311, 32622, 3582983, 7165966, 10748949, 21497898]

約数ペア:

[(1, 21497898), (2, 10748949), (3, 7165966), (6, 3582983), (659, 32622), (1318, 16311), (1977, 10874), (3954, 5437)]