21916264

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{161149}}^1$

素因数の和:161172

約数の個数: 16

約数和(自身を含む): 43510500

約数和(自身を除く): 21594236

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 161149, 322298, 644596, 1289192, 2739533, 5479066, 10958132, 21916264]

約数ペア:

[(1, 21916264), (2, 10958132), (4, 5479066), (8, 2739533), (17, 1289192), (34, 644596), (68, 322298), (136, 161149)]