21320202

素因数分解:

$2^1\times 3^1\times {\mathrm{491}}^1\times {\mathrm{7237}}^1$

素因数の和:7733

約数の個数: 16

約数和(自身を含む): 42733152

約数和(自身を除く): 21412950

約数列:

[1, 2, 3, 6, 491, 982, 1473, 2946, 7237, 14474, 21711, 43422, 3553367, 7106734, 10660101, 21320202]

約数ペア:

[(1, 21320202), (2, 10660101), (3, 7106734), (6, 3553367), (491, 43422), (982, 21711), (1473, 14474), (2946, 7237)]