21229722

素因数分解:

$2^1\times 3^3\times {\mathrm{393143}}^1$

素因数の和:393154

約数の個数: 16

約数和(自身を含む): 47177280

約数和(自身を除く): 25947558

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393143, 786286, 1179429, 2358858, 3538287, 7076574, 10614861, 21229722]

約数ペア:

[(1, 21229722), (2, 10614861), (3, 7076574), (6, 3538287), (9, 2358858), (18, 1179429), (27, 786286), (54, 393143)]