21806206

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1284

約数の個数: 24

約数和(自身を含む): 35896896

約数和(自身を除く): 14090690

約数列:

[1, 2, 17, 31, 34, 62, 289, 527, 578, 1054, 1217, 2434, 8959, 17918, 20689, 37727, 41378, 75454, 351713, 641359, 703426, 1282718, 10903103, 21806206]

約数ペア:

[(1, 21806206), (2, 10903103), (17, 1282718), (31, 703426), (34, 641359), (62, 351713), (289, 75454), (527, 41378), (578, 37727), (1054, 20689), (1217, 17918), (2434, 8959)]