21529683

素因数分解:

$3^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{607}}^1$

素因数の和:1183

約数の個数: 24

約数和(自身を含む): 35662848

約数和(自身を除く): 14133165

約数列:

[1, 3, 7, 9, 21, 63, 563, 607, 1689, 1821, 3941, 4249, 5067, 5463, 11823, 12747, 35469, 38241, 341741, 1025223, 2392187, 3075669, 7176561, 21529683]

約数ペア:

[(1, 21529683), (3, 7176561), (7, 3075669), (9, 2392187), (21, 1025223), (63, 341741), (563, 38241), (607, 35469), (1689, 12747), (1821, 11823), (3941, 5463), (4249, 5067)]