21124574

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{2243}}^1$

素因数の和:2539

約数の個数: 16

約数和(自身を含む): 33686928

約数和(自身を除く): 12562354

約数列:

[1, 2, 17, 34, 277, 554, 2243, 4486, 4709, 9418, 38131, 76262, 621311, 1242622, 10562287, 21124574]

約数ペア:

[(1, 21124574), (2, 10562287), (17, 1242622), (34, 621311), (277, 76262), (554, 38131), (2243, 9418), (4486, 4709)]