21339454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{16963}}^1$

素因数の和:17019

約数の個数: 16

約数和(自身を含む): 34810128

約数和(自身を除く): 13470674

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 16963, 33926, 288371, 576742, 627631, 1255262, 10669727, 21339454]

約数ペア:

[(1, 21339454), (2, 10669727), (17, 1255262), (34, 627631), (37, 576742), (74, 288371), (629, 33926), (1258, 16963)]