21104242

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20023}}^1$

素因数の和:20073

約数の個数: 16

約数和(自身を含む): 34601472

約数和(自身を除く): 13497230

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 20023, 40046, 340391, 620713, 680782, 1241426, 10552121, 21104242]

約数ペア:

[(1, 21104242), (2, 10552121), (17, 1241426), (31, 680782), (34, 620713), (62, 340391), (527, 40046), (1054, 20023)]