21920442

素因数分解:

$2^1\times 3^1\times {\mathrm{1087}}^1\times {\mathrm{3361}}^1$

素因数の和:4453

約数の個数: 16

約数和(自身を含む): 43894272

約数和(自身を除く): 21973830

約数列:

[1, 2, 3, 6, 1087, 2174, 3261, 3361, 6522, 6722, 10083, 20166, 3653407, 7306814, 10960221, 21920442]

約数ペア:

[(1, 21920442), (2, 10960221), (3, 7306814), (6, 3653407), (1087, 20166), (2174, 10083), (3261, 6722), (3361, 6522)]