21911541

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8179}}^1$

素因数の和:8248

約数の個数: 16

約数和(自身を含む): 31411200

約数和(自身を除く): 9499659

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 8179, 24537, 155401, 384413, 466203, 1153239, 7303847, 21911541]

約数ペア:

[(1, 21911541), (3, 7303847), (19, 1153239), (47, 466203), (57, 384413), (141, 155401), (893, 24537), (2679, 8179)]