21032271

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59921}}^1$

素因数の和:59943

約数の個数: 16

約数和(自身を含む): 33556320

約数和(自身を除く): 12524049

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 59921, 179763, 539289, 778973, 1617867, 2336919, 7010757, 21032271]

約数ペア:

[(1, 21032271), (3, 7010757), (9, 2336919), (13, 1617867), (27, 778973), (39, 539289), (117, 179763), (351, 59921)]