21970533

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{919}}^1$

素因数の和:1548

約数の個数: 16

約数和(自身を含む): 31633280

約数和(自身を除く): 9662747

約数列:

[1, 3, 13, 39, 613, 919, 1839, 2757, 7969, 11947, 23907, 35841, 563347, 1690041, 7323511, 21970533]

約数ペア:

[(1, 21970533), (3, 7323511), (13, 1690041), (39, 563347), (613, 35841), (919, 23907), (1839, 11947), (2757, 7969)]