21190263

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6301}}^1$

素因数の和:6382

約数の個数: 16

約数和(自身を含む): 30249600

約数和(自身を除く): 9059337

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 6301, 18903, 119719, 359157, 371759, 1115277, 7063421, 21190263]

約数ペア:

[(1, 21190263), (3, 7063421), (19, 1115277), (57, 371759), (59, 359157), (177, 119719), (1121, 18903), (3363, 6301)]