21554793

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10837}}^1$

素因数の和:10873

約数の個数: 24

約数和(自身を含む): 35505288

約数和(自身を除く): 13950495

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10837, 32511, 97533, 140881, 184229, 422643, 552687, 1267929, 1658061, 2394977, 7184931, 21554793]

約数ペア:

[(1, 21554793), (3, 7184931), (9, 2394977), (13, 1658061), (17, 1267929), (39, 552687), (51, 422643), (117, 184229), (153, 140881), (221, 97533), (663, 32511), (1989, 10837)]