21410156

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 38359440

約数和(自身を除く): 16949284

約数列:

[1, 2, 4, 59, 118, 236, 257, 353, 514, 706, 1028, 1412, 15163, 20827, 30326, 41654, 60652, 83308, 90721, 181442, 362884, 5352539, 10705078, 21410156]

約数ペア:

[(1, 21410156), (2, 10705078), (4, 5352539), (59, 362884), (118, 181442), (236, 90721), (257, 83308), (353, 60652), (514, 41654), (706, 30326), (1028, 20827), (1412, 15163)]