21340911

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:762

約数の個数: 16

約数和(自身を含む): 29094368

約数和(自身を除く): 7753457

約数列:

[1, 3, 61, 183, 277, 421, 831, 1263, 16897, 25681, 50691, 77043, 116617, 349851, 7113637, 21340911]

約数ペア:

[(1, 21340911), (3, 7113637), (61, 349851), (183, 116617), (277, 77043), (421, 50691), (831, 25681), (1263, 16897)]