21269414

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{7537}}^1$

素因数の和:7639

約数の個数: 16

約数和(自身を含む): 34192368

約数和(自身を除く): 12922954

約数列:

[1, 2, 17, 34, 83, 166, 1411, 2822, 7537, 15074, 128129, 256258, 625571, 1251142, 10634707, 21269414]

約数ペア:

[(1, 21269414), (2, 10634707), (17, 1251142), (34, 625571), (83, 256258), (166, 128129), (1411, 15074), (2822, 7537)]