21192804

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{4297}}^1$

素因数の和:4444

約数の個数: 36

約数和(自身を含む): 53974284

約数和(自身を除く): 32781480

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4297, 4932, 8594, 12891, 17188, 25782, 38673, 51564, 77346, 154692, 588689, 1177378, 1766067, 2354756, 3532134, 5298201, 7064268, 10596402, 21192804]

約数ペア:

[(1, 21192804), (2, 10596402), (3, 7064268), (4, 5298201), (6, 3532134), (9, 2354756), (12, 1766067), (18, 1177378), (36, 588689), (137, 154692), (274, 77346), (411, 51564), (548, 38673), (822, 25782), (1233, 17188), (1644, 12891), (2466, 8594), (4297, 4932)]