21272133

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{379}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 29056320

約数和(自身を除く): 7784187

約数列:

[1, 3, 53, 159, 353, 379, 1059, 1137, 18709, 20087, 56127, 60261, 133787, 401361, 7090711, 21272133]

約数ペア:

[(1, 21272133), (3, 7090711), (53, 401361), (159, 133787), (353, 60261), (379, 56127), (1059, 20087), (1137, 18709)]