21496401

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{6269}}^1$

素因数の和:6405

約数の個数: 16

約数和(自身を含む): 32102400

約数和(自身を除く): 10605999

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 6269, 18807, 56421, 169263, 796163, 2388489, 7165467, 21496401]

約数ペア:

[(1, 21496401), (3, 7165467), (9, 2388489), (27, 796163), (127, 169263), (381, 56421), (1143, 18807), (3429, 6269)]