21428823

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{32321}}^1$

素因数の和:32354

約数の個数: 16

約数和(自身を含む): 32580576

約数和(自身を除く): 11151753

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 32321, 96963, 420173, 549457, 1260519, 1648371, 7142941, 21428823]

約数ペア:

[(1, 21428823), (3, 7142941), (13, 1648371), (17, 1260519), (39, 549457), (51, 420173), (221, 96963), (663, 32321)]