21106163

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2221}}^1$

素因数の和:2294

約数の個数: 16

約数和(自身を含む): 24637536

約数和(自身を除く): 3531373

約数列:

[1, 13, 17, 43, 221, 559, 731, 2221, 9503, 28873, 37757, 95503, 490841, 1241539, 1623551, 21106163]

約数ペア:

[(1, 21106163), (13, 1623551), (17, 1241539), (43, 490841), (221, 95503), (559, 37757), (731, 28873), (2221, 9503)]