21811663

素因数分解:

${\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 23760000

約数和(自身を除く): 1948337

約数列:

[1, 17, 79, 109, 149, 1343, 1853, 2533, 8611, 11771, 16241, 146387, 200107, 276097, 1283039, 21811663]

約数ペア:

[(1, 21811663), (17, 1283039), (79, 276097), (109, 200107), (149, 146387), (1343, 16241), (1853, 11771), (2533, 8611)]