21758802

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3929}}^1$

素因数の和:4018

約数の個数: 32

約数和(自身を含む): 47537280

約数和(自身を除く): 25778478

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3929, 5538, 7858, 11787, 23574, 51077, 102154, 153231, 278959, 306462, 557918, 836877, 1673754, 3626467, 7252934, 10879401, 21758802]

約数ペア:

[(1, 21758802), (2, 10879401), (3, 7252934), (6, 3626467), (13, 1673754), (26, 836877), (39, 557918), (71, 306462), (78, 278959), (142, 153231), (213, 102154), (426, 51077), (923, 23574), (1846, 11787), (2769, 7858), (3929, 5538)]