21036159

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{18119}}^1$

素因数の和:18171

約数の個数: 16

約数和(自身を含む): 31891200

約数和(自身を除く): 10855041

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 18119, 54357, 163071, 489213, 779117, 2337351, 7012053, 21036159]

約数ペア:

[(1, 21036159), (3, 7012053), (9, 2337351), (27, 779117), (43, 489213), (129, 163071), (387, 54357), (1161, 18119)]