2601471621

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6519979}}^1$

素因数の和:6520008

約数の個数: 16

約数和(自身を含む): 4172787200

約数和(自身を除く): 1571315579

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 6519979, 19559937, 45639853, 123879601, 136919559, 371638803, 867157207, 2601471621]

約数ペア:

[(1, 2601471621), (3, 867157207), (7, 371638803), (19, 136919559), (21, 123879601), (57, 45639853), (133, 19559937), (399, 6519979)]