21302819

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:790

約数の個数: 16

約数和(自身を含む): 24014880

約数和(自身を除く): 2712061

約数列:

[1, 17, 19, 101, 323, 653, 1717, 1919, 11101, 12407, 32623, 65953, 210919, 1121201, 1253107, 21302819]

約数ペア:

[(1, 21302819), (17, 1253107), (19, 1121201), (101, 210919), (323, 65953), (653, 32623), (1717, 12407), (1919, 11101)]