21931563

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1586

約数の個数: 16

約数和(自身を含む): 30159360

約数和(自身を除く): 8227797

約数列:

[1, 3, 47, 109, 141, 327, 1427, 4281, 5123, 15369, 67069, 155543, 201207, 466629, 7310521, 21931563]

約数ペア:

[(1, 21931563), (3, 7310521), (47, 466629), (109, 201207), (141, 155543), (327, 67069), (1427, 15369), (4281, 5123)]