21841393

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1693}}^1$

素因数の和:1816

約数の個数: 16

約数和(自身を含む): 26561920

約数和(自身を除く): 4720527

約数列:

[1, 7, 19, 97, 133, 679, 1693, 1843, 11851, 12901, 32167, 164221, 225169, 1149547, 3120199, 21841393]

約数ペア:

[(1, 21841393), (7, 3120199), (19, 1149547), (97, 225169), (133, 164221), (679, 32167), (1693, 12901), (1843, 11851)]