20961567417

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4176443}}^1$

素因数の和:4176692

約数の個数: 16

約数和(自身を含む): 32075089920

約数和(自身を除く): 11113522503

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 4176443, 12529329, 29235101, 87705303, 998169877, 2994509631, 6987189139, 20961567417]

約数ペア:

[(1, 20961567417), (3, 6987189139), (7, 2994509631), (21, 998169877), (239, 87705303), (717, 29235101), (1673, 12529329), (5019, 4176443)]