21896073

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1951}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 33496320

約数和(自身を除く): 11600247

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 1951, 3741, 5853, 11223, 17559, 56579, 83893, 169737, 251679, 509211, 755037, 2432897, 7298691, 21896073]

約数ペア:

[(1, 21896073), (3, 7298691), (9, 2432897), (29, 755037), (43, 509211), (87, 251679), (129, 169737), (261, 83893), (387, 56579), (1247, 17559), (1951, 11223), (3741, 5853)]