21074283

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{16607}}^1$

素因数の和:16663

約数の個数: 16

約数和(自身を含む): 31887360

約数和(自身を除く): 10813077

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 16607, 49821, 149463, 448389, 780529, 2341587, 7024761, 21074283]

約数ペア:

[(1, 21074283), (3, 7024761), (9, 2341587), (27, 780529), (47, 448389), (141, 149463), (423, 49821), (1269, 16607)]