21916557

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9859}}^1$

素因数の和:9897

約数の個数: 24

約数和(自身を含む): 35890400

約数和(自身を除く): 13973843

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9859, 29577, 88731, 128167, 187321, 384501, 561963, 1153503, 1685889, 2435173, 7305519, 21916557]

約数ペア:

[(1, 21916557), (3, 7305519), (9, 2435173), (13, 1685889), (19, 1153503), (39, 561963), (57, 384501), (117, 187321), (171, 128167), (247, 88731), (741, 29577), (2223, 9859)]