21948002

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4409}}^1$

素因数の和:4561

約数の個数: 16

約数和(自身を含む): 34927200

約数和(自身を除く): 12979198

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4409, 4978, 8818, 83771, 167542, 577579, 1155158, 10974001, 21948002]

約数ペア:

[(1, 21948002), (2, 10974001), (19, 1155158), (38, 577579), (131, 167542), (262, 83771), (2489, 8818), (4409, 4978)]