21727887

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1319}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 32419200

約数和(自身を除く): 10691313

約数列:

[1, 3, 17, 19, 51, 57, 289, 323, 867, 969, 1319, 3957, 5491, 16473, 22423, 25061, 67269, 75183, 381191, 426037, 1143573, 1278111, 7242629, 21727887]

約数ペア:

[(1, 21727887), (3, 7242629), (17, 1278111), (19, 1143573), (51, 426037), (57, 381191), (289, 75183), (323, 67269), (867, 25061), (969, 22423), (1319, 16473), (3957, 5491)]