21877722

素因数分解:

$2^1\times 3^3\times {\mathrm{405143}}^1$

素因数の和:405154

約数の個数: 16

約数和(自身を含む): 48617280

約数和(自身を除く): 26739558

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 405143, 810286, 1215429, 2430858, 3646287, 7292574, 10938861, 21877722]

約数ペア:

[(1, 21877722), (2, 10938861), (3, 7292574), (6, 3646287), (9, 2430858), (18, 1215429), (27, 810286), (54, 405143)]