21314181

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53419}}^1$

素因数の和:53448

約数の個数: 16

約数和(自身を含む): 34188800

約数和(自身を除く): 12874619

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 53419, 160257, 373933, 1014961, 1121799, 3044883, 7104727, 21314181]

約数ペア:

[(1, 21314181), (3, 7104727), (7, 3044883), (19, 1121799), (21, 1014961), (57, 373933), (133, 160257), (399, 53419)]